57012450 has 96 divisors (see below), whose sum is σ = 156150720. Its totient is φ = 13651200.

The previous prime is 57012443. The next prime is 57012481. The reversal of 57012450 is 5421075.

It is a self number, because there is not a number n which added to its sum of digits gives 57012450.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179692 + ... + 180008.

It is an arithmetic number, because the mean of its divisors is an integer number (1626570).

Almost surely, 2^57012450 is an apocalyptic number.

57012450 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 57012450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78075360).

57012450 is an abundant number, since it is smaller than the sum of its proper divisors (99138270).

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

57012450 is a wasteful number, since it uses less digits than its factorization.

57012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 57012450 is about 7550.6589116447. The cubic root of 57012450 is about 384.8781308768.

The spelling of 57012450 in words is "fifty-seven million, twelve thousand, four hundred fifty".