56726838 has 128 divisors (see below), whose sum is σ = 153354240. Its totient is φ = 15202080.

The previous prime is 56726797. The next prime is 56726843. The reversal of 56726838 is 83862765.

56726838 is a `hidden beast` number, since 567 + 2 + 6 + 83 + 8 = 666.

56726838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56726793 and 56726802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 550695 + ... + 550797.

It is an arithmetic number, because the mean of its divisors is an integer number (1198080).

Almost surely, 2^56726838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56726838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76677120).

56726838 is an abundant number, since it is smaller than the sum of its proper divisors (96627402).

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

56726838 is a wasteful number, since it uses less digits than its factorization.

56726838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56726838 is about 7531.7221138329. The cubic root of 56726838 is about 384.2343540157.

The spelling of 56726838 in words is "fifty-six million, seven hundred twenty-six thousand, eight hundred thirty-eight".