53432031 has 8 divisors (see below), whose sum is σ = 72306304. Its totient is φ = 35089560.

The previous prime is 53432011. The next prime is 53432039. The reversal of 53432031 is 13023435.

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

It is not a de Polignac number, because 53432031 - 2⁵ = 53431999 is a prime.

It is a super-2 number, since 2×53432031² = 5709963873569922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53431989 and 53432007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53432039) 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, 132715 + ... + 133116.

It is an arithmetic number, because the mean of its divisors is an integer number (9038288).

Almost surely, 2^53432031 is an apocalyptic number.

53432031 is a deficient number, since it is larger than the sum of its proper divisors (18874273).

53432031 is a wasteful number, since it uses less digits than its factorization.

53432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265901.

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

The square root of 53432031 is about 7309.7216773281. The cubic root of 53432031 is about 376.6464636182.

Adding to 53432031 its reverse (13023435), we get a palindrome (66455466).

The spelling of 53432031 in words is "fifty-three million, four hundred thirty-two thousand, thirty-one".