52591764 has 12 divisors (see below), whose sum is σ = 122714144. Its totient is φ = 17530584.

The previous prime is 52591757. The next prime is 52591771. The reversal of 52591764 is 46719525.

It is an interprime number because it is at equal distance from previous prime (52591757) and next prime (52591771).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 2191312 + ... + 2191335.

Almost surely, 2^52591764 is an apocalyptic number.

It is an amenable number.

52591764 is an abundant number, since it is smaller than the sum of its proper divisors (70122380).

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

52591764 is a wasteful number, since it uses less digits than its factorization.

52591764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382654 (or 4382652 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 52591764 is about 7252.0179260672. The cubic root of 52591764 is about 374.6616539281.

The spelling of 52591764 in words is "fifty-two million, five hundred ninety-one thousand, seven hundred sixty-four".