56464485 has 128 divisors (see below), whose sum is σ = 123863040. Its totient is φ = 21254400.

The previous prime is 56464481. The next prime is 56464489. The reversal of 56464485 is 58446465.

It is an interprime number because it is at equal distance from previous prime (56464481) and next prime (56464489).

It is not a de Polignac number, because 56464485 - 2² = 56464481 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56464481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 680254 + ... + 680336.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^56464485 is an apocalyptic number.

56464485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56464485 is an abundant number, since it is smaller than the sum of its proper divisors (67398555).

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

56464485 is a wasteful number, since it uses less digits than its factorization.

56464485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 460800, while the sum is 42.

The square root of 56464485 is about 7514.2853951657. The cubic root of 56464485 is about 383.6410966780.

The spelling of 56464485 in words is "fifty-six million, four hundred sixty-four thousand, four hundred eighty-five".