53332531 has 6 divisors (see below), whose sum is σ = 62039940. Its totient is φ = 45713556.

The previous prime is 53332523. The next prime is 53332541. The reversal of 53332531 is 13523335.

It is a happy number.

It is not a de Polignac number, because 53332531 - 2³ = 53332523 is a prime.

It is a super-2 number, since 2×53332531² = 5688717725731922, 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 = 53332496 and 53332505.

It is not an unprimeable number, because it can be changed into a prime (53332541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 544161 + ... + 544258.

It is an arithmetic number, because the mean of its divisors is an integer number (10339990).

Almost surely, 2^53332531 is an apocalyptic number.

53332531 is a deficient number, since it is larger than the sum of its proper divisors (8707409).

53332531 is a wasteful number, since it uses less digits than its factorization.

53332531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088433 (or 1088426 counting only the distinct ones).

The product of its digits is 4050, while the sum is 25.

The square root of 53332531 is about 7302.9125011875. The cubic root of 53332531 is about 376.4125239815.

Adding to 53332531 its reverse (13523335), we get a palindrome (66855866).

The spelling of 53332531 in words is "fifty-three million, three hundred thirty-two thousand, five hundred thirty-one".