53550624 has 96 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 16803072.

The previous prime is 53550613. The next prime is 53550631. The reversal of 53550624 is 42605535.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 53550591 and 53550600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174279 + ... + 174585.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^53550624 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 53550624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

53550624 is an abundant number, since it is smaller than the sum of its proper divisors (95472096).

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

53550624 is a wasteful number, since it uses less digits than its factorization.

53550624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 53550624 is about 7317.8291863093. The cubic root of 53550624 is about 376.9249147466.

The spelling of 53550624 in words is "fifty-three million, five hundred fifty thousand, six hundred twenty-four".