57553998 has 8 divisors (see below), whose sum is σ = 115108008. Its totient is φ = 19184664.

The previous prime is 57553997. The next prime is 57554023. The reversal of 57553998 is 89935575.

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

57553998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57553998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57553997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796161 + ... + 4796172.

It is an arithmetic number, because the mean of its divisors is an integer number (14388501).

Almost surely, 2^57553998 is an apocalyptic number.

57553998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57553998 is a wasteful number, since it uses less digits than its factorization.

57553998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592338.

The product of its digits is 1701000, while the sum is 51.

The square root of 57553998 is about 7586.4351312062. The cubic root of 57553998 is about 386.0929152503.

The spelling of 57553998 in words is "fifty-seven million, five hundred fifty-three thousand, nine hundred ninety-eight".