57203772 has 12 divisors (see below), whose sum is σ = 133475496. Its totient is φ = 19067920.

The previous prime is 57203767. The next prime is 57203791. The reversal of 57203772 is 27730275.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383479 + ... + 2383502.

It is an arithmetic number, because the mean of its divisors is an integer number (11122958).

Almost surely, 2^57203772 is an apocalyptic number.

It is an amenable number.

57203772 is an abundant number, since it is smaller than the sum of its proper divisors (76271724).

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

57203772 is a wasteful number, since it uses less digits than its factorization.

57203772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766988 (or 4766986 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 57203772 is about 7563.3175260596. The cubic root of 57203772 is about 385.3081740124.

It can be divided in two parts, 57203 and 772, that added together give a palindrome (57975).

The spelling of 57203772 in words is "fifty-seven million, two hundred three thousand, seven hundred seventy-two".