52492986 has 96 divisors (see below), whose sum is σ = 142222080. Its totient is φ = 13623552.

The previous prime is 52492967. The next prime is 52493017. The reversal of 52492986 is 68929425.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (311040) is a multiple of the sum of its prime factors (540).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119355 + ... + 119793.

It is an arithmetic number, because the mean of its divisors is an integer number (1481480).

Almost surely, 2^52492986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52492986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71111040).

52492986 is an abundant number, since it is smaller than the sum of its proper divisors (89729094).

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

52492986 is a wasteful number, since it uses less digits than its factorization.

52492986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 537 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 52492986 is about 7245.2043449443. The cubic root of 52492986 is about 374.4269433958.

The spelling of 52492986 in words is "fifty-two million, four hundred ninety-two thousand, nine hundred eighty-six".