52618722 has 32 divisors (see below), whose sum is σ = 115200960. Its totient is φ = 15923520.

The previous prime is 52618721. The next prime is 52618751. The reversal of 52618722 is 22781625.

52618722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×52618722⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (52618721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (3600030).

Almost surely, 2^52618722 is an apocalyptic number.

52618722 is an abundant number, since it is smaller than the sum of its proper divisors (62582238).

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

52618722 is a wasteful number, since it uses less digits than its factorization.

52618722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138.

The product of its digits is 13440, while the sum is 33.

The square root of 52618722 is about 7253.8763430320. The cubic root of 52618722 is about 374.7256589031.

The spelling of 52618722 in words is "fifty-two million, six hundred eighteen thousand, seven hundred twenty-two".