52252398 has 64 divisors (see below), whose sum is σ = 127895040. Its totient is φ = 15812280.

The previous prime is 52252313. The next prime is 52252411. The reversal of 52252398 is 89325225.

It is a congruent number.

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, 71511 + ... + 72237.

It is an arithmetic number, because the mean of its divisors is an integer number (1998360).

Almost surely, 2^52252398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52252398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63947520).

52252398 is an abundant number, since it is smaller than the sum of its proper divisors (75642642).

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

52252398 is a wasteful number, since it uses less digits than its factorization.

52252398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 743 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52252398 is about 7228.5820186258. The cubic root of 52252398 is about 373.8540376211.

It can be divided in two parts, 52252 and 398, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 52252398 in words is "fifty-two million, two hundred fifty-two thousand, three hundred ninety-eight".