56838444 has 24 divisors (see below), whose sum is σ = 142825200. Its totient is φ = 17488704.

The previous prime is 56838433. The next prime is 56838449. The reversal of 56838444 is 44483865.

It is a super-2 number, since 2×56838444² = 6461217432682272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56838396 and 56838405.

It is not an unprimeable number, because it can be changed into a prime (56838449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182019 + ... + 182330.

It is an arithmetic number, because the mean of its divisors is an integer number (5951050).

Almost surely, 2^56838444 is an apocalyptic number.

It is an amenable number.

56838444 is an abundant number, since it is smaller than the sum of its proper divisors (85986756).

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

56838444 is a wasteful number, since it uses less digits than its factorization.

56838444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364369 (or 364367 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 56838444 is about 7539.1275357298. The cubic root of 56838444 is about 384.4861734868.

The spelling of 56838444 in words is "fifty-six million, eight hundred thirty-eight thousand, four hundred forty-four".