53463631 has 16 divisors (see below), whose sum is σ = 60596928. Its totient is φ = 46828800.

The previous prime is 53463611. The next prime is 53463647. The reversal of 53463631 is 13636435.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53463631 is a prime.

It is a super-2 number, since 2×53463631² = 5716719679408322, 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 = 53463593 and 53463602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53463601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18366 + ... + 21076.

It is an arithmetic number, because the mean of its divisors is an integer number (3787308).

Almost surely, 2^53463631 is an apocalyptic number.

53463631 is a deficient number, since it is larger than the sum of its proper divisors (7133297).

53463631 is a wasteful number, since it uses less digits than its factorization.

53463631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its digits is 19440, while the sum is 31.

The square root of 53463631 is about 7311.8828628473. The cubic root of 53463631 is about 376.7206992561.

The spelling of 53463631 in words is "fifty-three million, four hundred sixty-three thousand, six hundred thirty-one".