57394990 has 16 divisors (see below), whose sum is σ = 105509952. Its totient is φ = 22469344.

The previous prime is 57394969. The next prime is 57395003. The reversal of 57394990 is 9949375.

It is a self number, because there is not a number n which added to its sum of digits gives 57394990.

It is a congruent number.

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, 60589 + ... + 61528.

It is an arithmetic number, because the mean of its divisors is an integer number (6594372).

Almost surely, 2^57394990 is an apocalyptic number.

57394990 is a deficient number, since it is larger than the sum of its proper divisors (48114962).

57394990 is a wasteful number, since it uses less digits than its factorization.

57394990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122171.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 57394990 is about 7575.9481254824. The cubic root of 57394990 is about 385.7370263554.

The spelling of 57394990 in words is "fifty-seven million, three hundred ninety-four thousand, nine hundred ninety".