53408764 has 12 divisors (see below), whose sum is σ = 98963424. Its totient is φ = 25133504.

The previous prime is 53408759. The next prime is 53408777. The reversal of 53408764 is 46780435.

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, 392644 + ... + 392779.

It is an arithmetic number, because the mean of its divisors is an integer number (8246952).

Almost surely, 2^53408764 is an apocalyptic number.

It is an amenable number.

53408764 is a deficient number, since it is larger than the sum of its proper divisors (45554660).

53408764 is a wasteful number, since it uses less digits than its factorization.

53408764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785444 (or 785442 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 53408764 is about 7308.1299933704. The cubic root of 53408764 is about 376.5917853948.

The spelling of 53408764 in words is "fifty-three million, four hundred eight thousand, seven hundred sixty-four".