53603631 has 6 divisors (see below), whose sum is σ = 77427480. Its totient is φ = 35735748.

The previous prime is 53603623. The next prime is 53603647. The reversal of 53603631 is 13630635.

53603631 is a `hidden beast` number, since 53 + 603 + 6 + 3 + 1 = 666.

It is not a de Polignac number, because 53603631 - 2³ = 53603623 is a prime.

It is a super-2 number, since 2×53603631² = 5746698512768322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53603595 and 53603604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53603621) 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, 2977971 + ... + 2977988.

It is an arithmetic number, because the mean of its divisors is an integer number (12904580).

Almost surely, 2^53603631 is an apocalyptic number.

53603631 is a deficient number, since it is larger than the sum of its proper divisors (23823849).

53603631 is a wasteful number, since it uses less digits than its factorization.

53603631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955965 (or 5955962 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 53603631 is about 7321.4500612925. The cubic root of 53603631 is about 377.0492399104.

The spelling of 53603631 in words is "fifty-three million, six hundred three thousand, six hundred thirty-one".