57553055 has 8 divisors (see below), whose sum is σ = 78929952. Its totient is φ = 39464928.

The previous prime is 57553021. The next prime is 57553063. The reversal of 57553055 is 55035575.

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 57553055 - 2⁶ = 57552991 is a prime.

It is a super-3 number, since 3×57553055³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1644373 = 57553055 / (5 + 7 + 5 + 5 + 3 + 0 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822152 + ... + 822221.

It is an arithmetic number, because the mean of its divisors is an integer number (9866244).

Almost surely, 2^57553055 is an apocalyptic number.

57553055 is a deficient number, since it is larger than the sum of its proper divisors (21376897).

57553055 is a wasteful number, since it uses less digits than its factorization.

57553055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644385.

The product of its (nonzero) digits is 65625, while the sum is 35.

The square root of 57553055 is about 7586.3729805487. The cubic root of 57553055 is about 386.0908065777.

The spelling of 57553055 in words is "fifty-seven million, five hundred fifty-three thousand, fifty-five".