53032431 has 8 divisors (see below), whose sum is σ = 71014320. Its totient is φ = 35202752.

The previous prime is 53032423. The next prime is 53032453. The reversal of 53032431 is 13423035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53032431 - 2³ = 53032423 is a prime.

It is a super-2 number, since 2×53032431² = 5624877475539522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53032398 and 53032407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032471) 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, 37236 + ... + 38633.

It is an arithmetic number, because the mean of its divisors is an integer number (8876790).

Almost surely, 2^53032431 is an apocalyptic number.

53032431 is a deficient number, since it is larger than the sum of its proper divisors (17981889).

53032431 is a wasteful number, since it uses less digits than its factorization.

53032431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76105.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53032431 is about 7282.3369188743. The cubic root of 53032431 is about 375.7051762172.

Adding to 53032431 its reverse (13423035), we get a palindrome (66455466).

The spelling of 53032431 in words is "fifty-three million, thirty-two thousand, four hundred thirty-one".