65053764 has 36 divisors (see below), whose sum is σ = 174116124. Its totient is φ = 20408832.

The previous prime is 65053741. The next prime is 65053787. The reversal of 65053764 is 46735056.

65053764 is a `hidden beast` number, since 65 + 0 + 537 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (65053741) and next prime (65053787).

It can be written as a sum of positive squares in 2 ways, for example, as 46131264 + 18922500 = 6792^2 + 4350^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52537 + ... + 53760.

It is an arithmetic number, because the mean of its divisors is an integer number (4836559).

Almost surely, 2^65053764 is an apocalyptic number.

It is an amenable number.

65053764 is an abundant number, since it is smaller than the sum of its proper divisors (109062360).

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

65053764 is a wasteful number, since it uses less digits than its factorization.

65053764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106324 (or 106319 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 65053764 is about 8065.5913608365. The cubic root of 65053764 is about 402.1834018723.

The spelling of 65053764 in words is "sixty-five million, fifty-three thousand, seven hundred sixty-four".