57265650 has 144 divisors (see below), whose sum is σ = 171551520. Its totient is φ = 14040000.

The previous prime is 57265627. The next prime is 57265661. The reversal of 57265650 is 5656275.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 228025 + ... + 228275.

It is an arithmetic number, because the mean of its divisors is an integer number (1191330).

Almost surely, 2^57265650 is an apocalyptic number.

57265650 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 57265650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85775760).

57265650 is an abundant number, since it is smaller than the sum of its proper divisors (114285870).

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

57265650 is a wasteful number, since it uses less digits than its factorization.

57265650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 57265650 is about 7567.4070856536. The cubic root of 57265650 is about 385.4470547584.

The spelling of 57265650 in words is "fifty-seven million, two hundred sixty-five thousand, six hundred fifty".