53336631 has 8 divisors (see below), whose sum is σ = 72281584. Its totient is φ = 34974720.

The previous prime is 53336617. The next prime is 53336651. The reversal of 53336631 is 13663335.

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

It is not a de Polignac number, because 53336631 - 2⁶ = 53336567 is a prime.

It is a super-2 number, since 2×53336631² = 5689592412860322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53336651) 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, 145546 + ... + 145911.

It is an arithmetic number, because the mean of its divisors is an integer number (9035198).

Almost surely, 2^53336631 is an apocalyptic number.

53336631 is a deficient number, since it is larger than the sum of its proper divisors (18944953).

53336631 is a wasteful number, since it uses less digits than its factorization.

53336631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291521.

The product of its digits is 14580, while the sum is 30.

The square root of 53336631 is about 7303.1932057149. The cubic root of 53336631 is about 376.4221694504.

Adding to 53336631 its reverse (13663335), we get a palindrome (66999966).

The spelling of 53336631 in words is "fifty-three million, three hundred thirty-six thousand, six hundred thirty-one".