55049542 has 4 divisors (see below), whose sum is σ = 82574316. Its totient is φ = 27524770.

The previous prime is 55049513. The next prime is 55049551. The reversal of 55049542 is 24594055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 55049498 and 55049507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762384 + ... + 13762387.

It is an arithmetic number, because the mean of its divisors is an integer number (20643579).

Almost surely, 2^55049542 is an apocalyptic number.

55049542 is a deficient number, since it is larger than the sum of its proper divisors (27524774).

55049542 is a wasteful number, since it uses less digits than its factorization.

55049542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524773.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55049542 is about 7419.5378562280. The cubic root of 55049542 is about 380.4093971849.

The spelling of 55049542 in words is "fifty-five million, forty-nine thousand, five hundred forty-two".