52257702 has 64 divisors (see below), whose sum is σ = 127401984. Its totient is φ = 13965600.

The previous prime is 52257697. The next prime is 52257719. The reversal of 52257702 is 20775225.

It is a self number, because there is not a number n which added to its sum of digits gives 52257702.

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, 44827 + ... + 45977.

It is an arithmetic number, because the mean of its divisors is an integer number (1990656).

Almost surely, 2^52257702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52257702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63700992).

52257702 is an abundant number, since it is smaller than the sum of its proper divisors (75144282).

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

52257702 is a wasteful number, since it uses less digits than its factorization.

52257702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52257702 is about 7228.9488862490. The cubic root of 52257702 is about 373.8666868315.

The spelling of 52257702 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred two".