57491098 has 16 divisors (see below), whose sum is σ = 99515520. Its totient is φ = 24399216.

The previous prime is 57491023. The next prime is 57491117. The reversal of 57491098 is 89019475.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18493 + ... + 21376.

It is an arithmetic number, because the mean of its divisors is an integer number (6219720).

Almost surely, 2^57491098 is an apocalyptic number.

57491098 is a deficient number, since it is larger than the sum of its proper divisors (42024422).

57491098 is a wasteful number, since it uses less digits than its factorization.

57491098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39981.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 57491098 is about 7582.2884408337. The cubic root of 57491098 is about 385.9522120406.

The spelling of 57491098 in words is "fifty-seven million, four hundred ninety-one thousand, ninety-eight".