57255276 has 24 divisors (see below), whose sum is σ = 143872624. Its totient is φ = 17616960.

The previous prime is 57255239. The next prime is 57255277. The reversal of 57255276 is 67255275.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (57255277) 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, 183355 + ... + 183666.

Almost surely, 2^57255276 is an apocalyptic number.

It is an amenable number.

57255276 is an abundant number, since it is smaller than the sum of its proper divisors (86617348).

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

57255276 is a wasteful number, since it uses less digits than its factorization.

57255276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367041 (or 367039 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 57255276 is about 7566.7216150721. The cubic root of 57255276 is about 385.4237780400.

Subtracting 57255276 from its reverse (67255275), we obtain a palindrome (9999999).

The spelling of 57255276 in words is "fifty-seven million, two hundred fifty-five thousand, two hundred seventy-six".