47555137 has 12 divisors (see below), whose sum is σ = 58574340. Its totient is φ = 38363136.

The previous prime is 47555113. The next prime is 47555141. The reversal of 47555137 is 73155574.

It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 18653761 = 5376^2 + 4319^2 .

It is not a de Polignac number, because 47555137 - 2⁷ = 47555009 is a prime.

It is a super-2 number, since 2×47555137² = 4522982110177538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47555096 and 47555105.

It is not an unprimeable number, because it can be changed into a prime (47555107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27712 + ... + 29377.

It is an arithmetic number, because the mean of its divisors is an integer number (4881195).

Almost surely, 2^47555137 is an apocalyptic number.

It is an amenable number.

47555137 is a deficient number, since it is larger than the sum of its proper divisors (11019203).

47555137 is a wasteful number, since it uses less digits than its factorization.

47555137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57120 (or 57113 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 47555137 is about 6896.0232743227. The cubic root of 47555137 is about 362.2978963795.

The spelling of 47555137 in words is "forty-seven million, five hundred fifty-five thousand, one hundred thirty-seven".