57250512 has 120 divisors (see below), whose sum is σ = 178738560. Its totient is φ = 16957440.

The previous prime is 57250511. The next prime is 57250549. The reversal of 57250512 is 21505275.

It is a happy number.

It is a super-2 number, since 2×57250512² = 6555242248524288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57250511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74064 + ... + 74832.

It is an arithmetic number, because the mean of its divisors is an integer number (1489488).

Almost surely, 2^57250512 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 57250512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89369280).

57250512 is an abundant number, since it is smaller than the sum of its proper divisors (121488048).

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

57250512 is a wasteful number, since it uses less digits than its factorization.

57250512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 57250512 is about 7566.4068090475. The cubic root of 57250512 is about 385.4130878473.

Adding to 57250512 its reverse (21505275), we get a palindrome (78755787).

The spelling of 57250512 in words is "fifty-seven million, two hundred fifty thousand, five hundred twelve".