56657750 has 16 divisors (see below), whose sum is σ = 106063776. Its totient is φ = 22663000.

The previous prime is 56657743. The next prime is 56657761. The reversal of 56657750 is 5775665.

It is a junction number, because it is equal to n+sod(n) for n = 56657698 and 56657707.

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, 113066 + ... + 113565.

It is an arithmetic number, because the mean of its divisors is an integer number (6628986).

Almost surely, 2^56657750 is an apocalyptic number.

56657750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56657750 is a deficient number, since it is larger than the sum of its proper divisors (49406026).

56657750 is a wasteful number, since it uses less digits than its factorization.

56657750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226648 (or 226638 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 56657750 is about 7527.1342488360. The cubic root of 56657750 is about 384.0783034399.

The spelling of 56657750 in words is "fifty-six million, six hundred fifty-seven thousand, seven hundred fifty".