52505302 has 8 divisors (see below), whose sum is σ = 79707096. Its totient is φ = 25936272.

The previous prime is 52505263. The next prime is 52505311. The reversal of 52505302 is 20350525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52505302² = 5513613476222408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157983 + ... + 158314.

It is an arithmetic number, because the mean of its divisors is an integer number (9963387).

Almost surely, 2^52505302 is an apocalyptic number.

52505302 is a deficient number, since it is larger than the sum of its proper divisors (27201794).

52505302 is a wasteful number, since it uses less digits than its factorization.

52505302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316382.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 52505302 is about 7246.0542366173. The cubic root of 52505302 is about 374.4562240164.

Adding to 52505302 its reverse (20350525), we get a palindrome (72855827).

The spelling of 52505302 in words is "fifty-two million, five hundred five thousand, three hundred two".