55513926 has 48 divisors (see below), whose sum is σ = 131760720. Its totient is φ = 16787520.

The previous prime is 55513919. The next prime is 55513937. The reversal of 55513926 is 62931555.

55513926 is a `hidden beast` number, since 55 + 513 + 92 + 6 = 666.

55513926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 11796 + ... + 15816.

It is an arithmetic number, because the mean of its divisors is an integer number (2745015).

Almost surely, 2^55513926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55513926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65880360).

55513926 is an abundant number, since it is smaller than the sum of its proper divisors (76246794).

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

55513926 is a wasteful number, since it uses less digits than its factorization.

55513926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4098 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55513926 is about 7450.7668061751. The cubic root of 55513926 is about 381.4760824785.

The spelling of 55513926 in words is "fifty-five million, five hundred thirteen thousand, nine hundred twenty-six".