53372388 has 24 divisors (see below), whose sum is σ = 124764192. Its totient is φ = 17758144.

The previous prime is 53372381. The next prime is 53372393. The reversal of 53372388 is 88327335.

It is a super-2 number, since 2×53372388² = 5697223601645088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53372381) 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, 3256 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (5198508).

Almost surely, 2^53372388 is an apocalyptic number.

It is an amenable number.

53372388 is an abundant number, since it is smaller than the sum of its proper divisors (71391804).

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

53372388 is a wasteful number, since it uses less digits than its factorization.

53372388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171 (or 8169 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 53372388 is about 7305.6408343143. The cubic root of 53372388 is about 376.5062687556.

The spelling of 53372388 in words is "fifty-three million, three hundred seventy-two thousand, three hundred eighty-eight".