52689474 has 16 divisors (see below), whose sum is σ = 117087840. Its totient is φ = 17563140.

The previous prime is 52689437. The next prime is 52689499. The reversal of 52689474 is 47498625.

It is a happy number.

52689474 is a `hidden beast` number, since 526 + 89 + 47 + 4 = 666.

52689474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487812 + ... + 487919.

It is an arithmetic number, because the mean of its divisors is an integer number (7317990).

Almost surely, 2^52689474 is an apocalyptic number.

52689474 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

52689474 is an abundant number, since it is smaller than the sum of its proper divisors (64398366).

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

52689474 is a wasteful number, since it uses less digits than its factorization.

52689474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975742 (or 975736 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 52689474 is about 7258.7515455483. The cubic root of 52689474 is about 374.8935377783.

It can be divided in two parts, 526 and 89474, that added together give a square (90000 = 300²).

The spelling of 52689474 in words is "fifty-two million, six hundred eighty-nine thousand, four hundred seventy-four".