57748906 has 16 divisors (see below), whose sum is σ = 92098944. Its totient is φ = 27096784.

The previous prime is 57748879. The next prime is 57748931. The reversal of 57748906 is 60984775.

It is a happy number.

It is a super-2 number, since 2×57748906² = 6669872288393672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 9406 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (5756184).

Almost surely, 2^57748906 is an apocalyptic number.

57748906 is a deficient number, since it is larger than the sum of its proper divisors (34350038).

57748906 is a wasteful number, since it uses less digits than its factorization.

57748906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23765.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 57748906 is about 7599.2700965290. The cubic root of 57748906 is about 386.5282618335.

The spelling of 57748906 in words is "fifty-seven million, seven hundred forty-eight thousand, nine hundred six".