56809436 has 12 divisors (see below), whose sum is σ = 101841600. Its totient is φ = 27711840.

The previous prime is 56809421. The next prime is 56809451. The reversal of 56809436 is 63490865.

It is an interprime number because it is at equal distance from previous prime (56809421) and next prime (56809451).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 56809393 and 56809402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173036 + ... + 173363.

It is an arithmetic number, because the mean of its divisors is an integer number (8486800).

Almost surely, 2^56809436 is an apocalyptic number.

It is an amenable number.

56809436 is a deficient number, since it is larger than the sum of its proper divisors (45032164).

56809436 is a wasteful number, since it uses less digits than its factorization.

56809436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346444 (or 346442 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 56809436 is about 7537.2034601701. The cubic root of 56809436 is about 384.4207537225.

The spelling of 56809436 in words is "fifty-six million, eight hundred nine thousand, four hundred thirty-six".