56585438 has 64 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 21168000.

The previous prime is 56585437. The next prime is 56585471. The reversal of 56585438 is 83458565.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56585437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374663 + ... + 374813.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^56585438 is an apocalyptic number.

56585438 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56585438 is a deficient number, since it is larger than the sum of its proper divisors (53730082).

56585438 is a wasteful number, since it uses less digits than its factorization.

56585438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 576000, while the sum is 44.

The square root of 56585438 is about 7522.3292935101. The cubic root of 56585438 is about 383.9148348096.

The spelling of 56585438 in words is "fifty-six million, five hundred eighty-five thousand, four hundred thirty-eight".