56736735 has 64 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 25518080.

The previous prime is 56736721. The next prime is 56736751. The reversal of 56736735 is 53763765.

It is not a de Polignac number, because 56736735 - 2⁶ = 56736671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316876 + ... + 317054.

It is an arithmetic number, because the mean of its divisors is an integer number (1662120).

Almost surely, 2^56736735 is an apocalyptic number.

56736735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56736735 is a deficient number, since it is larger than the sum of its proper divisors (49638945).

56736735 is a wasteful number, since it uses less digits than its factorization.

56736735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 396900, while the sum is 42.

The square root of 56736735 is about 7532.3791062320. The cubic root of 56736735 is about 384.2566982088.

The spelling of 56736735 in words is "fifty-six million, seven hundred thirty-six thousand, seven hundred thirty-five".