56534775 has 96 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 24729600.

The previous prime is 56534773. The next prime is 56534813. The reversal of 56534775 is 57743565.

It is not a de Polignac number, because 56534775 - 2¹ = 56534773 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56534773) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 406656 + ... + 406794.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^56534775 is an apocalyptic number.

56534775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56534775 is a deficient number, since it is larger than the sum of its proper divisors (55958025).

56534775 is a wasteful number, since it uses less digits than its factorization.

56534775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 204 counting only the distinct ones).

The product of its digits is 441000, while the sum is 42.

The square root of 56534775 is about 7518.9610319512. The cubic root of 56534775 is about 383.8002229606.

The spelling of 56534775 in words is "fifty-six million, five hundred thirty-four thousand, seven hundred seventy-five".