56740585 has 16 divisors (see below), whose sum is σ = 74763072. Its totient is φ = 40996800.

The previous prime is 56740583. The next prime is 56740591. The reversal of 56740585 is 58504765.

It is not a de Polignac number, because 56740585 - 2¹ = 56740583 is a prime.

It is a super-2 number, since 2×56740585² = 6438987972284450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56740583) 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, 5350 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (4672692).

Almost surely, 2^56740585 is an apocalyptic number.

56740585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56740585 is a deficient number, since it is larger than the sum of its proper divisors (18022487).

56740585 is a wasteful number, since it uses less digits than its factorization.

56740585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 56740585 is about 7532.6346652416. The cubic root of 56740585 is about 384.2653895492.

The spelling of 56740585 in words is "fifty-six million, seven hundred forty thousand, five hundred eighty-five".