53266388 has 24 divisors (see below), whose sum is σ = 110208000. Its totient is φ = 22040928.

The previous prime is 53266387. The next prime is 53266391. The reversal of 53266388 is 88366235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53266387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31988 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (4592000).

Almost surely, 2^53266388 is an apocalyptic number.

53266388 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53266388 is an abundant number, since it is smaller than the sum of its proper divisors (56941612).

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

53266388 is a wasteful number, since it uses less digits than its factorization.

53266388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65639 (or 65637 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 53266388 is about 7298.3825605404. The cubic root of 53266388 is about 376.2568506826.

The spelling of 53266388 in words is "fifty-three million, two hundred sixty-six thousand, three hundred eighty-eight".