55515364 has 6 divisors (see below), whose sum is σ = 97151894. Its totient is φ = 27757680.

The previous prime is 55515293. The next prime is 55515373. The reversal of 55515364 is 46351555.

55515364 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 only one way, i.e., 36505764 + 19009600 = 6042^2 + 4360^2 .

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 as a sum of consecutive naturals, namely, 6939417 + ... + 6939424.

Almost surely, 2^55515364 is an apocalyptic number.

It is an amenable number.

55515364 is a deficient number, since it is larger than the sum of its proper divisors (41636530).

55515364 is a wasteful number, since it uses less digits than its factorization.

55515364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878845 (or 13878843 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 55515364 is about 7450.8633056848. The cubic root of 55515364 is about 381.4793762938.

The spelling of 55515364 in words is "fifty-five million, five hundred fifteen thousand, three hundred sixty-four".