57263528 has 32 divisors (see below), whose sum is σ = 123245760. Its totient is φ = 24433920.

The previous prime is 57263527. The next prime is 57263533. The reversal of 57263528 is 82536275.

57263528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57263528² = 6558223278013568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57263491 and 57263500.

It is not an unprimeable number, because it can be changed into a prime (57263527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11375 + ... + 15617.

It is an arithmetic number, because the mean of its divisors is an integer number (3851430).

Almost surely, 2^57263528 is an apocalyptic number.

It is an amenable number.

57263528 is an abundant number, since it is smaller than the sum of its proper divisors (65982232).

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

57263528 is a wasteful number, since it uses less digits than its factorization.

57263528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497 (or 4493 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 57263528 is about 7567.2668778100. The cubic root of 57263528 is about 385.4422937382.

The spelling of 57263528 in words is "fifty-seven million, two hundred sixty-three thousand, five hundred twenty-eight".