56426753 has 4 divisors (see below), whose sum is σ = 57221568. Its totient is φ = 55631940.

The previous prime is 56426731. The next prime is 56426761. The reversal of 56426753 is 35762465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56426753 - 2¹⁸ = 56164609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56426653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397301 + ... + 397442.

It is an arithmetic number, because the mean of its divisors is an integer number (14305392).

Almost surely, 2^56426753 is an apocalyptic number.

It is an amenable number.

56426753 is a deficient number, since it is larger than the sum of its proper divisors (794815).

56426753 is an equidigital number, since it uses as much as digits as its factorization.

56426753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794814.

The product of its digits is 151200, while the sum is 38.

The square root of 56426753 is about 7511.7742910713. The cubic root of 56426753 is about 383.5556224698. Note that the first 3 decimals are identical.

The spelling of 56426753 in words is "fifty-six million, four hundred twenty-six thousand, seven hundred fifty-three".