52432578 has 24 divisors (see below), whose sum is σ = 123932016. Its totient is φ = 15888600.

The previous prime is 52432561. The next prime is 52432579. The reversal of 52432578 is 87523425.

52432578 is a `hidden beast` number, since 52 + 4 + 32 + 578 = 666.

It is not an unprimeable number, because it can be changed into a prime (52432579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132208 + ... + 132603.

It is an arithmetic number, because the mean of its divisors is an integer number (5163834).

Almost surely, 2^52432578 is an apocalyptic number.

52432578 is an abundant number, since it is smaller than the sum of its proper divisors (71499438).

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

52432578 is a wasteful number, since it uses less digits than its factorization.

52432578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264830 (or 264827 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 52432578 is about 7241.0343183830. The cubic root of 52432578 is about 374.2832602973.

The spelling of 52432578 in words is "fifty-two million, four hundred thirty-two thousand, five hundred seventy-eight".