53368660 has 12 divisors (see below), whose sum is σ = 112074228. Its totient is φ = 21347456.

The previous prime is 53368643. The next prime is 53368669. The reversal of 53368660 is 6686335.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 22165264 = 5586^2 + 4708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53368669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334197 + ... + 1334236.

It is an arithmetic number, because the mean of its divisors is an integer number (9339519).

Almost surely, 2^53368660 is an apocalyptic number.

It is an amenable number.

53368660 is an abundant number, since it is smaller than the sum of its proper divisors (58705568).

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

53368660 is a wasteful number, since it uses less digits than its factorization.

53368660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668442 (or 2668440 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 53368660 is about 7305.3856845481. The cubic root of 53368660 is about 376.4975023746.

The spelling of 53368660 in words is "fifty-three million, three hundred sixty-eight thousand, six hundred sixty".