57357278272 has 56 divisors (see below), whose sum is σ = 130427228096. Its totient is φ = 24515716608.

The previous prime is 57357278257. The next prime is 57357278291. The reversal of 57357278272 is 27287275375.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4518 + ... + 338725.

Almost surely, 2^57357278272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57357278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65213614048).

57357278272 is an abundant number, since it is smaller than the sum of its proper divisors (73069949824).

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

57357278272 is a wasteful number, since it uses less digits than its factorization.

57357278272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343635 (or 343625 counting only the distinct ones).

The product of its digits is 11524800, while the sum is 55.

The spelling of 57357278272 in words is "fifty-seven billion, three hundred fifty-seven million, two hundred seventy-eight thousand, two hundred seventy-two".