52257502802 has 4 divisors (see below), whose sum is σ = 78386254206. Its totient is φ = 26128751400.

The previous prime is 52257502771. The next prime is 52257502831. The reversal of 52257502802 is 20820575225.

It is a Cunningham number, because it is equal to 228599²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52257502801 + 1 = 228599^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13064375699 + ... + 13064375702.

Almost surely, 2^52257502802 is an apocalyptic number.

52257502802 is a deficient number, since it is larger than the sum of its proper divisors (26128751404).

52257502802 is a wasteful number, since it uses less digits than its factorization.

52257502802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26128751403.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 52257502802 in words is "fifty-two billion, two hundred fifty-seven million, five hundred two thousand, eight hundred two".