53390764 has 24 divisors (see below), whose sum is σ = 106958880. Its totient is φ = 22843776.

The previous prime is 53390747. The next prime is 53390767. The reversal of 53390764 is 46709335.

It is not an unprimeable number, because it can be changed into a prime (53390767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21474 + ... + 23830.

It is an arithmetic number, because the mean of its divisors is an integer number (4456620).

Almost surely, 2^53390764 is an apocalyptic number.

It is an amenable number.

53390764 is an abundant number, since it is smaller than the sum of its proper divisors (53568116).

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

53390764 is a wasteful number, since it uses less digits than its factorization.

53390764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 53390764 is about 7306.8983844036. The cubic root of 53390764 is about 376.5494739007.

The spelling of 53390764 in words is "fifty-three million, three hundred ninety thousand, seven hundred sixty-four".