56737585 has 8 divisors (see below), whose sum is σ = 72090216. Its totient is φ = 42720000.

The previous prime is 56737579. The next prime is 56737607. The reversal of 56737585 is 58573765.

It can be written as a sum of positive squares in 4 ways, for example, as 1517824 + 55219761 = 1232^2 + 7431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56737585 - 2⁹ = 56737073 is a prime.

It is a Duffinian 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, 333666 + ... + 333835.

It is an arithmetic number, because the mean of its divisors is an integer number (9011277).

Almost surely, 2^56737585 is an apocalyptic number.

It is an amenable number.

56737585 is a deficient number, since it is larger than the sum of its proper divisors (15352631).

56737585 is a wasteful number, since it uses less digits than its factorization.

56737585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667523.

The product of its digits is 882000, while the sum is 46.

The square root of 56737585 is about 7532.4355290968. The cubic root of 56737585 is about 384.2586171100.

The spelling of 56737585 in words is "fifty-six million, seven hundred thirty-seven thousand, five hundred eighty-five".