57951658268 has 24 divisors (see below), whose sum is σ = 120942592512. Its totient is φ = 23756580144.

The previous prime is 57951658267. The next prime is 57951658273. The reversal of 57951658268 is 86285615975.

It is a super-2 number, since 2×57951658268² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57951658268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57951658267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44992880 + ... + 44994167.

It is an arithmetic number, because the mean of its divisors is an integer number (5039274688).

Almost surely, 2^57951658268 is an apocalyptic number.

It is an amenable number.

57951658268 is an abundant number, since it is smaller than the sum of its proper divisors (62990934244).

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

57951658268 is a wasteful number, since it uses less digits than its factorization.

57951658268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89987081 (or 89987079 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 62.

The spelling of 57951658268 in words is "fifty-seven billion, nine hundred fifty-one million, six hundred fifty-eight thousand, two hundred sixty-eight".