53564616 has 48 divisors (see below), whose sum is σ = 165796800. Its totient is φ = 15304032.

The previous prime is 53564611. The next prime is 53564617. The reversal of 53564616 is 61646535.

53564616 is a `hidden beast` number, since 5 + 3 + 5 + 646 + 1 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (53564611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52636 + ... + 53643.

It is an arithmetic number, because the mean of its divisors is an integer number (3454100).

Almost surely, 2^53564616 is an apocalyptic number.

53564616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53564616 is an abundant number, since it is smaller than the sum of its proper divisors (112232184).

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

53564616 is a wasteful number, since it uses less digits than its factorization.

53564616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106298 (or 106291 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53564616 is about 7318.7851450907. The cubic root of 53564616 is about 376.9577402225.

The spelling of 53564616 in words is "fifty-three million, five hundred sixty-four thousand, six hundred sixteen".