55364028 has 12 divisors (see below), whose sum is σ = 129182760. Its totient is φ = 18454672.

The previous prime is 55363993. The next prime is 55364051. The reversal of 55364028 is 82046355.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55364028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306823 + ... + 2306846.

It is an arithmetic number, because the mean of its divisors is an integer number (10765230).

Almost surely, 2^55364028 is an apocalyptic number.

It is an amenable number.

55364028 is an abundant number, since it is smaller than the sum of its proper divisors (73818732).

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

55364028 is a wasteful number, since it uses less digits than its factorization.

55364028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613676 (or 4613674 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55364028 is about 7440.7007734487. The cubic root of 55364028 is about 381.1324206798.

The spelling of 55364028 in words is "fifty-five million, three hundred sixty-four thousand, twenty-eight".