56455245 has 64 divisors (see below), whose sum is σ = 125153280. Its totient is φ = 23457600.

The previous prime is 56455241. The next prime is 56455291. The reversal of 56455245 is 54255465.

56455245 is a `hidden beast` number, since 5 + 64 + 552 + 45 = 666.

It is not a de Polignac number, because 56455245 - 2² = 56455241 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56455241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7680 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (1955520).

Almost surely, 2^56455245 is an apocalyptic number.

56455245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56455245 is an abundant number, since it is smaller than the sum of its proper divisors (68698035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56455245 is a wasteful number, since it uses less digits than its factorization.

56455245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463 (or 5457 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 56455245 is about 7513.6705410871. The cubic root of 56455245 is about 383.6201688499.

The spelling of 56455245 in words is "fifty-six million, four hundred fifty-five thousand, two hundred forty-five".