57001406250 has 128 divisors (see below), whose sum is σ = 143343383040. Its totient is φ = 15111000000.

The previous prime is 57001406227. The next prime is 57001406279. The reversal of 57001406250 is 5260410075.

57001406250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129843531 + ... + 129843969.

It is an arithmetic number, because the mean of its divisors is an integer number (1119870180).

Almost surely, 2^57001406250 is an apocalyptic number.

57001406250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57001406250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71671691520).

57001406250 is an abundant number, since it is smaller than the sum of its proper divisors (86341976790).

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

57001406250 is an frugal number, since it uses more digits than its factorization.

57001406250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 57001406250 in words is "fifty-seven billion, one million, four hundred six thousand, two hundred fifty".