57503742858 has 32 divisors (see below), whose sum is σ = 134511681600. Its totient is φ = 18159076368.

The previous prime is 57503742811. The next prime is 57503742871. The reversal of 57503742858 is 85824730575.

57503742858 is a `hidden beast` number, since 57 + 503 + 7 + 4 + 2 + 85 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28022241 + ... + 28024292.

It is an arithmetic number, because the mean of its divisors is an integer number (4203490050).

Almost surely, 2^57503742858 is an apocalyptic number.

57503742858 is an abundant number, since it is smaller than the sum of its proper divisors (77007938742).

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

57503742858 is a wasteful number, since it uses less digits than its factorization.

57503742858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56046563 (or 56046557 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 57503742858 in words is "fifty-seven billion, five hundred three million, seven hundred forty-two thousand, eight hundred fifty-eight".