52432023391 has 32 divisors (see below), whose sum is σ = 58282348608. Its totient is φ = 46773565440.

The previous prime is 52432023361. The next prime is 52432023431. The reversal of 52432023391 is 19332023425.

It is a cyclic number.

It is not a de Polignac number, because 52432023391 - 2¹⁵ = 52431990623 is a prime.

It is a super-2 number, since 2×52432023391² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52432023311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67828881 + ... + 67829653.

It is an arithmetic number, because the mean of its divisors is an integer number (1821323394).

Almost surely, 2^52432023391 is an apocalyptic number.

52432023391 is a deficient number, since it is larger than the sum of its proper divisors (5850325217).

52432023391 is a wasteful number, since it uses less digits than its factorization.

52432023391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 52432023391 its sum of digits (34), we get a palindrome (52432023425).

The spelling of 52432023391 in words is "fifty-two billion, four hundred thirty-two million, twenty-three thousand, three hundred ninety-one".