55501156 has 12 divisors (see below), whose sum is σ = 97489980. Its totient is φ = 27646880.

The previous prime is 55501091. The next prime is 55501177. The reversal of 55501156 is 65110555.

55501156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 54022500 = 1216^2 + 7350^2 .

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 3 ways as a sum of consecutive naturals, for example, 24715 + ... + 26866.

It is an arithmetic number, because the mean of its divisors is an integer number (8124165).

Almost surely, 2^55501156 is an apocalyptic number.

It is an amenable number.

55501156 is a deficient number, since it is larger than the sum of its proper divisors (41988824).

55501156 is a wasteful number, since it uses less digits than its factorization.

55501156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51854 (or 51852 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 55501156 is about 7449.9097981117. The cubic root of 55501156 is about 381.4468296195.

The spelling of 55501156 in words is "fifty-five million, five hundred one thousand, one hundred fifty-six".