57491012 has 12 divisors (see below), whose sum is σ = 100664256. Its totient is φ = 28729800.

The previous prime is 57491003. The next prime is 57491023. The reversal of 57491012 is 21019475.

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, 9137 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (8388688).

Almost surely, 2^57491012 is an apocalyptic number.

It is an amenable number.

57491012 is a deficient number, since it is larger than the sum of its proper divisors (43173244).

57491012 is a wasteful number, since it uses less digits than its factorization.

57491012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57491012 is about 7582.2827697205. The cubic root of 57491012 is about 385.9520195939.

The spelling of 57491012 in words is "fifty-seven million, four hundred ninety-one thousand, twelve".