52251892 has 24 divisors (see below), whose sum is σ = 114004800. Its totient is φ = 20357760.

The previous prime is 52251877. The next prime is 52251959. The reversal of 52251892 is 29815225.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84517 + ... + 85132.

It is an arithmetic number, because the mean of its divisors is an integer number (4750200).

Almost surely, 2^52251892 is an apocalyptic number.

It is an amenable number.

52251892 is an abundant number, since it is smaller than the sum of its proper divisors (61752908).

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

52251892 is a wasteful number, since it uses less digits than its factorization.

52251892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169671 (or 169669 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 52251892 is about 7228.5470185923. The cubic root of 52251892 is about 373.8528308456.

It can be divided in two parts, 5225 and 1892, that added together give a palindrome (7117).

The spelling of 52251892 in words is "fifty-two million, two hundred fifty-one thousand, eight hundred ninety-two".