52215774 has 16 divisors (see below), whose sum is σ = 112464912. Its totient is φ = 16066368.

The previous prime is 52215763. The next prime is 52215799. The reversal of 52215774 is 47751225.

It is a congruent number.

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, 334639 + ... + 334794.

It is an arithmetic number, because the mean of its divisors is an integer number (7029057).

Almost surely, 2^52215774 is an apocalyptic number.

52215774 is an abundant number, since it is smaller than the sum of its proper divisors (60249138).

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

52215774 is a wasteful number, since it uses less digits than its factorization.

52215774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669451.

The product of its digits is 19600, while the sum is 33.

The square root of 52215774 is about 7226.0482976520. The cubic root of 52215774 is about 373.7666717395.

Adding to 52215774 its reverse (47751225), we get a palindrome (99966999).

The spelling of 52215774 in words is "fifty-two million, two hundred fifteen thousand, seven hundred seventy-four".