53456432 has 40 divisors (see below), whose sum is σ = 110484000. Its totient is φ = 24968192.

The previous prime is 53456423. The next prime is 53456461. The reversal of 53456432 is 23465435.

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, 39869 + ... + 41187.

It is an arithmetic number, because the mean of its divisors is an integer number (2762100).

Almost surely, 2^53456432 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 53456432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55242000).

53456432 is an abundant number, since it is smaller than the sum of its proper divisors (57027568).

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

53456432 is a wasteful number, since it uses less digits than its factorization.

53456432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1487 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 53456432 is about 7311.3905654123. The cubic root of 53456432 is about 376.7037897297.

The spelling of 53456432 in words is "fifty-three million, four hundred fifty-six thousand, four hundred thirty-two".