56455605 has 24 divisors (see below), whose sum is σ = 101233080. Its totient is φ = 29070720.

The previous prime is 56455583. The next prime is 56455613. The reversal of 56455605 is 50655465.

It is a happy number.

56455605 is a `hidden beast` number, since 5 + 6 + 45 + 5 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6922161 + 49533444 = 2631^2 + 7038^2 .

It is not a de Polignac number, because 56455605 - 2⁵ = 56455573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56455605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20326 + ... + 22935.

It is an arithmetic number, because the mean of its divisors is an integer number (4218045).

Almost surely, 2^56455605 is an apocalyptic number.

It is an amenable number.

56455605 is a deficient number, since it is larger than the sum of its proper divisors (44777475).

56455605 is a wasteful number, since it uses less digits than its factorization.

56455605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43301 (or 43298 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 56455605 is about 7513.6944973828. The cubic root of 56455605 is about 383.6209842626.

It can be divided in two parts, 564 and 55605, that added together give a square (56169 = 237²).

The spelling of 56455605 in words is "fifty-six million, four hundred fifty-five thousand, six hundred five".