55364004 has 18 divisors (see below), whose sum is σ = 139947990. Its totient is φ = 18454656.

The previous prime is 55363993. The next prime is 55364051. The reversal of 55364004 is 40046355.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 10404 = 7440^2 + 102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768909 + ... + 768980.

Almost surely, 2^55364004 is an apocalyptic number.

It is an amenable number.

55364004 is an abundant number, since it is smaller than the sum of its proper divisors (84583986).

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

55364004 is a wasteful number, since it uses less digits than its factorization.

55364004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537899 (or 1537894 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 55364004 is about 7440.6991606972. The cubic root of 55364004 is about 381.1323656069.

The spelling of 55364004 in words is "fifty-five million, three hundred sixty-four thousand, four".