53511764 has 6 divisors (see below), whose sum is σ = 93645594. Its totient is φ = 26755880.

The previous prime is 53511751. The next prime is 53511779. The reversal of 53511764 is 46711535.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 25421764 = 5300^2 + 5042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53511764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688967 + ... + 6688974.

It is an arithmetic number, because the mean of its divisors is an integer number (15607599).

Almost surely, 2^53511764 is an apocalyptic number.

It is an amenable number.

53511764 is a deficient number, since it is larger than the sum of its proper divisors (40133830).

53511764 is a wasteful number, since it uses less digits than its factorization.

53511764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13377945 (or 13377943 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 53511764 is about 7315.1735454465. The cubic root of 53511764 is about 376.8337185068.

The spelling of 53511764 in words is "fifty-three million, five hundred eleven thousand, seven hundred sixty-four".