57043461552 has 80 divisors (see below), whose sum is σ = 183724407552. Its totient is φ = 14816482560.

The previous prime is 57043461539. The next prime is 57043461557. The reversal of 57043461552 is 25516434075.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57043461557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7713223 + ... + 7720614.

Almost surely, 2^57043461552 is an apocalyptic number.

It is an amenable number.

57043461552 is an abundant number, since it is smaller than the sum of its proper divisors (126680946000).

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

57043461552 is a wasteful number, since it uses less digits than its factorization.

57043461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433866 (or 15433860 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 57043461552 in words is "fifty-seven billion, forty-three million, four hundred sixty-one thousand, five hundred fifty-two".