52270518 has 16 divisors (see below), whose sum is σ = 104794416. Its totient is φ = 17381280.

The previous prime is 52270511. The next prime is 52270549. The reversal of 52270518 is 81507225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7821 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (6549651).

Almost surely, 2^52270518 is an apocalyptic number.

52270518 is an abundant number, since it is smaller than the sum of its proper divisors (52523898).

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

52270518 is a wasteful number, since it uses less digits than its factorization.

52270518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21119.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 52270518 is about 7229.8352678329. The cubic root of 52270518 is about 373.8972474547.

The spelling of 52270518 in words is "fifty-two million, two hundred seventy thousand, five hundred eighteen".