57023768 has 8 divisors (see below), whose sum is σ = 106919580. Its totient is φ = 28511880.

The previous prime is 57023761. The next prime is 57023783. The reversal of 57023768 is 86732075.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57023761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3563978 + ... + 3563993.

Almost surely, 2^57023768 is an apocalyptic number.

It is an amenable number.

57023768 is a deficient number, since it is larger than the sum of its proper divisors (49895812).

57023768 is a wasteful number, since it uses less digits than its factorization.

57023768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127977 (or 7127973 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 57023768 is about 7551.4083454678. The cubic root of 57023768 is about 384.9035976095.

The spelling of 57023768 in words is "fifty-seven million, twenty-three thousand, seven hundred sixty-eight".