53321136 has 40 divisors (see below), whose sum is σ = 150270144. Its totient is φ = 16157760.

The previous prime is 53321123. The next prime is 53321141. The reversal of 53321136 is 63112335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49966 + ... + 51021.

Almost surely, 2^53321136 is an apocalyptic number.

It is an amenable number.

53321136 is an abundant number, since it is smaller than the sum of its proper divisors (96949008).

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

53321136 is a wasteful number, since it uses less digits than its factorization.

53321136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101009 (or 101003 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 53321136 is about 7302.1322913242. The cubic root of 53321136 is about 376.3857140393.

The spelling of 53321136 in words is "fifty-three million, three hundred twenty-one thousand, one hundred thirty-six".