52423731 has 12 divisors (see below), whose sum is σ = 77152608. Its totient is φ = 34289424.

The previous prime is 52423673. The next prime is 52423741. The reversal of 52423731 is 13732425.

It is not a de Polignac number, because 52423731 - 2⁶ = 52423667 is a prime.

It is a super-2 number, since 2×52423731² = 5496495143920722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52423695 and 52423704.

It is not an unprimeable number, because it can be changed into a prime (52423741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54475 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (6429384).

Almost surely, 2^52423731 is an apocalyptic number.

52423731 is a deficient number, since it is larger than the sum of its proper divisors (24728877).

52423731 is a wasteful number, since it uses less digits than its factorization.

52423731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109962 (or 109959 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 52423731 is about 7240.4233992219. The cubic root of 52423731 is about 374.2622080534.

The spelling of 52423731 in words is "fifty-two million, four hundred twenty-three thousand, seven hundred thirty-one".