57506535458 has 8 divisors (see below), whose sum is σ = 86288983452. Its totient is φ = 28743540976.

The previous prime is 57506535439. The next prime is 57506535467. The reversal of 57506535458 is 85453560575.

It can be written as a sum of positive squares in 2 ways, for example, as 54612418249 + 2894117209 = 233693^2 + 53797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57506535458² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4855985 + ... + 4867812.

Almost surely, 2^57506535458 is an apocalyptic number.

57506535458 is a deficient number, since it is larger than the sum of its proper divisors (28782447994).

57506535458 is a wasteful number, since it uses less digits than its factorization.

57506535458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726756.

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 57506535458 in words is "fifty-seven billion, five hundred six million, five hundred thirty-five thousand, four hundred fifty-eight".