52518488 has 32 divisors (see below), whose sum is σ = 108000000. Its totient is φ = 23744160.

The previous prime is 52518481. The next prime is 52518497. The reversal of 52518488 is 88481525.

It is a happy number.

It is a super-2 number, since 2×52518488² = 5516383163612288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52518481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16013 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (3375000).

Almost surely, 2^52518488 is an apocalyptic number.

It is an amenable number.

52518488 is an abundant number, since it is smaller than the sum of its proper divisors (55481512).

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

52518488 is a wasteful number, since it uses less digits than its factorization.

52518488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3211 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 52518488 is about 7246.9640540022. The cubic root of 52518488 is about 374.4875679398.

The spelling of 52518488 in words is "fifty-two million, five hundred eighteen thousand, four hundred eighty-eight".