53322666 has 64 divisors (see below), whose sum is σ = 115568640. Its totient is φ = 16369920.

The previous prime is 53322653. The next prime is 53322667. The reversal of 53322666 is 66622335.

It is not an unprimeable number, because it can be changed into a prime (53322667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471826 + ... + 471938.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 2^53322666 is an apocalyptic number.

53322666 is an abundant number, since it is smaller than the sum of its proper divisors (62245974).

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

53322666 is a wasteful number, since it uses less digits than its factorization.

53322666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 38880, while the sum is 33.

The square root of 53322666 is about 7302.2370544923. The cubic root of 53322666 is about 376.3893140166.

The spelling of 53322666 in words is "fifty-three million, three hundred twenty-two thousand, six hundred sixty-six".