52261742 has 32 divisors (see below), whose sum is σ = 90249600. Its totient is φ = 22495968.

The previous prime is 52261733. The next prime is 52261747. The reversal of 52261742 is 24716225.

It is a happy number.

Its product of digits (6720) is a multiple of the sum of its prime divisors (1680).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52261747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32309 + ... + 33887.

It is an arithmetic number, because the mean of its divisors is an integer number (2820300).

Almost surely, 2^52261742 is an apocalyptic number.

52261742 is a deficient number, since it is larger than the sum of its proper divisors (37987858).

52261742 is a wasteful number, since it uses less digits than its factorization.

52261742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 6720, while the sum is 29.

The square root of 52261742 is about 7229.2283128976. The cubic root of 52261742 is about 373.8763210254.

Adding to 52261742 its reverse (24716225), we get a palindrome (76977967).

The spelling of 52261742 in words is "fifty-two million, two hundred sixty-one thousand, seven hundred forty-two".