53631369 has 32 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 32348880.

The previous prime is 53631367. The next prime is 53631373. The reversal of 53631369 is 96313635.

It is not a de Polignac number, because 53631369 - 2¹ = 53631367 is a prime.

It is a super-2 number, since 2×53631369² = 5752647481628322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53631367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106372 + ... + 106874.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^53631369 is an apocalyptic number.

It is an amenable number.

53631369 is a deficient number, since it is larger than the sum of its proper divisors (33459831).

53631369 is a wasteful number, since it uses less digits than its factorization.

53631369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 876 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 53631369 is about 7323.3441131767. The cubic root of 53631369 is about 377.1142652838.

The spelling of 53631369 in words is "fifty-three million, six hundred thirty-one thousand, three hundred sixty-nine".