53404932 has 48 divisors (see below), whose sum is σ = 143101952. Its totient is φ = 15184800.

The previous prime is 53404931. The next prime is 53404933. The reversal of 53404932 is 23940435.

It is an interprime number because it is at equal distance from previous prime (53404931) and next prime (53404933).

It is a self number, because there is not a number n which added to its sum of digits gives 53404932.

It is not an unprimeable number, because it can be changed into a prime (53404931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17307 + ... + 20157.

Almost surely, 2^53404932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53404932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71550976).

53404932 is an abundant number, since it is smaller than the sum of its proper divisors (89697020).

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

53404932 is a wasteful number, since it uses less digits than its factorization.

53404932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 53404932 is about 7307.8678148965. The cubic root of 53404932 is about 376.5827785444.

The spelling of 53404932 in words is "fifty-three million, four hundred four thousand, nine hundred thirty-two".