55716826 has 16 divisors (see below), whose sum is σ = 92028960. Its totient is φ = 25088080.

The previous prime is 55716799. The next prime is 55716847. The reversal of 55716826 is 62861755.

It is a super-4 number, since 4×55716826⁴ (a number of 32 digits) contains 4444 as substring.

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, 9481 + ... + 14188.

It is an arithmetic number, because the mean of its divisors is an integer number (5751810).

Almost surely, 2^55716826 is an apocalyptic number.

55716826 is a deficient number, since it is larger than the sum of its proper divisors (36312134).

55716826 is a wasteful number, since it uses less digits than its factorization.

55716826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23789.

The product of its digits is 100800, while the sum is 40.

The square root of 55716826 is about 7464.3704356094. The cubic root of 55716826 is about 381.9402746459.

Subtracting 55716826 from its reverse (62861755), we obtain a square (7144929 = 2673²).

The spelling of 55716826 in words is "fifty-five million, seven hundred sixteen thousand, eight hundred twenty-six".