52689416 has 16 divisors (see below), whose sum is σ = 106392300. Its totient is φ = 24318144.

The previous prime is 52689407. The next prime is 52689437. The reversal of 52689416 is 61498625.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 184900 = 7246^2 + 430^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253211 + ... + 253418.

Almost surely, 2^52689416 is an apocalyptic number.

It is an amenable number.

52689416 is an abundant number, since it is smaller than the sum of its proper divisors (53702884).

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

52689416 is a wasteful number, since it uses less digits than its factorization.

52689416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506648 (or 506644 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 52689416 is about 7258.7475503698. The cubic root of 52689416 is about 374.8934002187.

The spelling of 52689416 in words is "fifty-two million, six hundred eighty-nine thousand, four hundred sixteen".