56537415 has 24 divisors (see below), whose sum is σ = 106908048. Its totient is φ = 27411840.

The previous prime is 56537363. The next prime is 56537417. The reversal of 56537415 is 51473565.

It is not a de Polignac number, because 56537415 - 2¹² = 56533319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56537415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56537417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56614 + ... + 57603.

It is an arithmetic number, because the mean of its divisors is an integer number (4454502).

Almost surely, 2^56537415 is an apocalyptic number.

56537415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56537415 is a deficient number, since it is larger than the sum of its proper divisors (50370633).

56537415 is a wasteful number, since it uses less digits than its factorization.

56537415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114239 (or 114236 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 56537415 is about 7519.1365860716. The cubic root of 56537415 is about 383.8061969641.

The spelling of 56537415 in words is "fifty-six million, five hundred thirty-seven thousand, four hundred fifteen".