56045605 has 32 divisors (see below), whose sum is σ = 84499200. Its totient is φ = 34667520.

The previous prime is 56045597. The next prime is 56045657. The reversal of 56045605 is 50654065.

It is not a de Polignac number, because 56045605 - 2³ = 56045597 is a prime.

It is a super-2 number, since 2×56045605² = 6282219679632050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56877 + ... + 57853.

It is an arithmetic number, because the mean of its divisors is an integer number (2640600).

Almost surely, 2^56045605 is an apocalyptic number.

56045605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56045605 is a deficient number, since it is larger than the sum of its proper divisors (28453595).

56045605 is a wasteful number, since it uses less digits than its factorization.

56045605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56045605 is about 7486.3612656617. The cubic root of 56045605 is about 382.6900645967.

The spelling of 56045605 in words is "fifty-six million, forty-five thousand, six hundred five".