55615456 has 24 divisors (see below), whose sum is σ = 117916344. Its totient is φ = 25668480.

The previous prime is 55615453. The next prime is 55615471. The reversal of 55615456 is 65451655.

55615456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55615453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66430 + ... + 67261.

It is an arithmetic number, because the mean of its divisors is an integer number (4913181).

Almost surely, 2^55615456 is an apocalyptic number.

It is an amenable number.

55615456 is an abundant number, since it is smaller than the sum of its proper divisors (62300888).

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

55615456 is a wasteful number, since it uses less digits than its factorization.

55615456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133714 (or 133706 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 55615456 is about 7457.5770864269. The cubic root of 55615456 is about 381.7085027100.

The spelling of 55615456 in words is "fifty-five million, six hundred fifteen thousand, four hundred fifty-six".