55501264 has 40 divisors (see below), whose sum is σ = 132352640. Its totient is φ = 21955968.

The previous prime is 55501211. The next prime is 55501267. The reversal of 55501264 is 46210555.

55501264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501267) 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 7 ways as a sum of consecutive naturals, for example, 17604 + ... + 20515.

It is an arithmetic number, because the mean of its divisors is an integer number (3308816).

Almost surely, 2^55501264 is an apocalyptic number.

It is an amenable number.

55501264 is an abundant number, since it is smaller than the sum of its proper divisors (76851376).

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

55501264 is a wasteful number, since it uses less digits than its factorization.

55501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38147 (or 38141 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55501264 is about 7449.9170465180. The cubic root of 55501264 is about 381.4470770391.

The spelling of 55501264 in words is "fifty-five million, five hundred one thousand, two hundred sixty-four".