55926810 has 48 divisors (see below), whose sum is σ = 146769480. Its totient is φ = 14774400.

The previous prime is 55926791. The next prime is 55926841. The reversal of 55926810 is 1862955.

It is a happy number.

55926810 is a `hidden beast` number, since 5 + 592 + 68 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54331641 + 1595169 = 7371^2 + 1263^2 .

It is a super-2 number, since 2×55926810² = 6255616153552200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6960 + ... + 12660.

Almost surely, 2^55926810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55926810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73384740).

55926810 is an abundant number, since it is smaller than the sum of its proper divisors (90842670).

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

55926810 is a wasteful number, since it uses less digits than its factorization.

55926810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 55926810 is about 7478.4229620957. The cubic root of 55926810 is about 382.4194883729.

The spelling of 55926810 in words is "fifty-five million, nine hundred twenty-six thousand, eight hundred ten".