55374553 has 8 divisors (see below), whose sum is σ = 59796800. Its totient is φ = 50975568.

The previous prime is 55374521. The next prime is 55374581. The reversal of 55374553 is 35547355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55374553 - 2⁵ = 55374521 is a prime.

It is a super-2 number, since 2×55374553² = 6132682239899618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55374503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (7474600).

Almost surely, 2^55374553 is an apocalyptic number.

It is an amenable number.

55374553 is a deficient number, since it is larger than the sum of its proper divisors (4422247).

55374553 is a wasteful number, since it uses less digits than its factorization.

55374553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631.

The product of its digits is 157500, while the sum is 37.

The square root of 55374553 is about 7441.4079984906. The cubic root of 55374553 is about 381.1565709250.

The spelling of 55374553 in words is "fifty-five million, three hundred seventy-four thousand, five hundred fifty-three".