56773140 has 48 divisors (see below), whose sum is σ = 167334720. Its totient is φ = 14342400.

The previous prime is 56773139. The next prime is 56773141. The reversal of 56773140 is 4137765.

It is an interprime number because it is at equal distance from previous prime (56773139) and next prime (56773141).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56773141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23761 + ... + 26040.

It is an arithmetic number, because the mean of its divisors is an integer number (3486140).

Almost surely, 2^56773140 is an apocalyptic number.

It is an amenable number.

56773140 is an abundant number, since it is smaller than the sum of its proper divisors (110561580).

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

56773140 is a wasteful number, since it uses less digits than its factorization.

56773140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49832 (or 49830 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 56773140 is about 7534.7952858721. The cubic root of 56773140 is about 384.3388664559.

The spelling of 56773140 in words is "fifty-six million, seven hundred seventy-three thousand, one hundred forty".