52225992 has 128 divisors (see below), whose sum is σ = 178617600. Its totient is φ = 13768704.

The previous prime is 52225963. The next prime is 52226021. The reversal of 52225992 is 29952225.

It is an interprime number because it is at equal distance from previous prime (52225963) and next prime (52226021).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18328 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (1395450).

Almost surely, 2^52225992 is an apocalyptic number.

52225992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52225992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89308800).

52225992 is an abundant number, since it is smaller than the sum of its proper divisors (126391608).

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

52225992 is a wasteful number, since it uses less digits than its factorization.

52225992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2682 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52225992 is about 7226.7552885095. The cubic root of 52225992 is about 373.7910506992.

The spelling of 52225992 in words is "fifty-two million, two hundred twenty-five thousand, nine hundred ninety-two".