52685742 has 16 divisors (see below), whose sum is σ = 105455952. Its totient is φ = 17547840.

The previous prime is 52685723. The next prime is 52685749. The reversal of 52685742 is 24758625.

It is a self number, because there is not a number n which added to its sum of digits gives 52685742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52685749) 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, 7018 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (6590997).

Almost surely, 2^52685742 is an apocalyptic number.

52685742 is an abundant number, since it is smaller than the sum of its proper divisors (52770210).

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

52685742 is a wasteful number, since it uses less digits than its factorization.

52685742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043.

The product of its digits is 134400, while the sum is 39.

The square root of 52685742 is about 7258.4944719962. The cubic root of 52685742 is about 374.8846863221.

It can be divided in two parts, 526 and 85742, that added together give a palindrome (86268).

The spelling of 52685742 in words is "fifty-two million, six hundred eighty-five thousand, seven hundred forty-two".