53561832 has 96 divisors (see below), whose sum is σ = 147199680. Its totient is φ = 16181760.

The previous prime is 53561821. The next prime is 53561861. The reversal of 53561832 is 23816535.

It is a junction number, because it is equal to n+sod(n) for n = 53561793 and 53561802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754357 + ... + 754427.

It is an arithmetic number, because the mean of its divisors is an integer number (1533330).

Almost surely, 2^53561832 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 53561832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73599840).

53561832 is an abundant number, since it is smaller than the sum of its proper divisors (93637848).

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

53561832 is a wasteful number, since it uses less digits than its factorization.

53561832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 136 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 53561832 is about 7318.5949471193. The cubic root of 53561832 is about 376.9512093655.

The spelling of 53561832 in words is "fifty-three million, five hundred sixty-one thousand, eight hundred thirty-two".