57271345400 has 96 divisors (see below), whose sum is σ = 138797001840. Its totient is φ = 21956520960.

The previous prime is 57271345399. The next prime is 57271345421. The reversal of 57271345400 is 454317275.

57271345400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57271345400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438044 + ... + 553556.

Almost surely, 2^57271345400 is an apocalyptic number.

57271345400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57271345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69398500920).

57271345400 is an abundant number, since it is smaller than the sum of its proper divisors (81525656440).

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

57271345400 is a wasteful number, since it uses less digits than its factorization.

57271345400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115633 (or 115624 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 57271345400 in words is "fifty-seven billion, two hundred seventy-one million, three hundred forty-five thousand, four hundred".