57456468 has 18 divisors (see below), whose sum is σ = 145237274. Its totient is φ = 19152144.

The previous prime is 57456439. The next prime is 57456473. The reversal of 57456468 is 86465475.

It can be written as a sum of positive squares in only one way, i.e., 39917124 + 17539344 = 6318^2 + 4188^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a fibodiv number, since the Fibonacci-like sequence with seeds 57456 and 468 contains 57456468 itself.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797971 + ... + 798042.

Almost surely, 2^57456468 is an apocalyptic number.

It is an amenable number.

57456468 is an abundant number, since it is smaller than the sum of its proper divisors (87780806).

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

57456468 is a wasteful number, since it uses less digits than its factorization.

57456468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596023 (or 1596018 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 57456468 is about 7580.0044854868. The cubic root of 57456468 is about 385.8747031737.

The spelling of 57456468 in words is "fifty-seven million, four hundred fifty-six thousand, four hundred sixty-eight".