53264916 has 18 divisors (see below), whose sum is σ = 134641962. Its totient is φ = 17754960.

The previous prime is 53264899. The next prime is 53264929. The reversal of 53264916 is 61946235.

It is a happy number.

53264916 is a `hidden beast` number, since 5 + 3 + 2 + 649 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52272900 + 992016 = 7230^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1479581 = 53264916 / (5 + 3 + 2 + 6 + 4 + 9 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739755 + ... + 739826.

It is an arithmetic number, because the mean of its divisors is an integer number (7480109).

Almost surely, 2^53264916 is an apocalyptic number.

It is an amenable number.

53264916 is an abundant number, since it is smaller than the sum of its proper divisors (81377046).

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

53264916 is a wasteful number, since it uses less digits than its factorization.

53264916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479591 (or 1479586 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 53264916 is about 7298.2817155821. The cubic root of 53264916 is about 376.2533847372.

The spelling of 53264916 in words is "fifty-three million, two hundred sixty-four thousand, nine hundred sixteen".