57748890 has 16 divisors (see below), whose sum is σ = 138597408. Its totient is φ = 15399696.

The previous prime is 57748879. The next prime is 57748931. The reversal of 57748890 is 9884775.

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, 962452 + ... + 962511.

It is an arithmetic number, because the mean of its divisors is an integer number (8662338).

Almost surely, 2^57748890 is an apocalyptic number.

57748890 is an abundant number, since it is smaller than the sum of its proper divisors (80848518).

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

57748890 is a wasteful number, since it uses less digits than its factorization.

57748890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924973.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 57748890 is about 7599.2690437963. The cubic root of 57748890 is about 386.5282261362.

The spelling of 57748890 in words is "fifty-seven million, seven hundred forty-eight thousand, eight hundred ninety".