53330631 has 8 divisors (see below), whose sum is σ = 72312960. Its totient is φ = 34951032.

The previous prime is 53330617. The next prime is 53330657. The reversal of 53330631 is 13603335.

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

It is not a de Polignac number, because 53330631 - 2⁶ = 53330567 is a prime.

It is a super-2 number, since 2×53330631² = 5688312405716322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53330611) 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, 150475 + ... + 150828.

It is an arithmetic number, because the mean of its divisors is an integer number (9039120).

Almost surely, 2^53330631 is an apocalyptic number.

53330631 is a deficient number, since it is larger than the sum of its proper divisors (18982329).

53330631 is a wasteful number, since it uses less digits than its factorization.

53330631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301365.

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 53330631 is about 7302.7824149430. The cubic root of 53330631 is about 376.4080539625.

Adding to 53330631 its reverse (13603335), we get a palindrome (66933966).

The spelling of 53330631 in words is "fifty-three million, three hundred thirty thousand, six hundred thirty-one".