52309418 has 16 divisors (see below), whose sum is σ = 89766144. Its totient is φ = 22395120.

The previous prime is 52309409. The next prime is 52309441. The reversal of 52309418 is 81490325.

It is a super-2 number, since 2×52309418² = 5472550422997448, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25196 + ... + 27192.

It is an arithmetic number, because the mean of its divisors is an integer number (5610384).

Almost surely, 2^52309418 is an apocalyptic number.

52309418 is a deficient number, since it is larger than the sum of its proper divisors (37456726).

52309418 is a wasteful number, since it uses less digits than its factorization.

52309418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 52309418 is about 7232.5250085983. The cubic root of 52309418 is about 373.9899765680.

The spelling of 52309418 in words is "fifty-two million, three hundred nine thousand, four hundred eighteen".