52288742 has 16 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 23595240.

The previous prime is 52288739. The next prime is 52288759. The reversal of 52288742 is 24788225.

It is a happy number.

It is a super-2 number, since 2×52288742² = 5468225079885128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52288696 and 52288705.

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, 5492 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^52288742 is an apocalyptic number.

52288742 is a deficient number, since it is larger than the sum of its proper divisors (33895258).

52288742 is a wasteful number, since it uses less digits than its factorization.

52288742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17251.

The product of its digits is 71680, while the sum is 38.

The square root of 52288742 is about 7231.0954910027. The cubic root of 52288742 is about 373.9406952207.

The spelling of 52288742 in words is "fifty-two million, two hundred eighty-eight thousand, seven hundred forty-two".