53384004 has 18 divisors (see below), whose sum is σ = 134942990. Its totient is φ = 17794656.

The previous prime is 53383991. The next prime is 53384021. The reversal of 53384004 is 40048335.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30802500 + 22581504 = 5550^2 + 4752^2 .

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, 741409 + ... + 741480.

Almost surely, 2^53384004 is an apocalyptic number.

It is an amenable number.

53384004 is an abundant number, since it is smaller than the sum of its proper divisors (81558986).

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

53384004 is a wasteful number, since it uses less digits than its factorization.

53384004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482899 (or 1482894 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53384004 is about 7306.4357931895. The cubic root of 53384004 is about 376.5335811277.

The spelling of 53384004 in words is "fifty-three million, three hundred eighty-four thousand, four".