55943826 has 16 divisors (see below), whose sum is σ = 113236704. Its totient is φ = 18423104.

The previous prime is 55943801. The next prime is 55943857. The reversal of 55943826 is 62834955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55671 + ... + 56666.

It is an arithmetic number, because the mean of its divisors is an integer number (7077294).

Almost surely, 2^55943826 is an apocalyptic number.

55943826 is an abundant number, since it is smaller than the sum of its proper divisors (57292878).

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

55943826 is a wasteful number, since it uses less digits than its factorization.

55943826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112425.

The product of its digits is 259200, while the sum is 42.

The square root of 55943826 is about 7479.5605485884. The cubic root of 55943826 is about 382.4582687609.

The spelling of 55943826 in words is "fifty-five million, nine hundred forty-three thousand, eight hundred twenty-six".