54631636 has 12 divisors (see below), whose sum is σ = 96028128. Its totient is φ = 27195032.

The previous prime is 54631613. The next prime is 54631651. The reversal of 54631636 is 63613645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29176 + ... + 30991.

It is an arithmetic number, because the mean of its divisors is an integer number (8002344).

Almost surely, 2^54631636 is an apocalyptic number.

It is an amenable number.

54631636 is a deficient number, since it is larger than the sum of its proper divisors (41396492).

54631636 is a wasteful number, since it uses less digits than its factorization.

54631636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60398 (or 60396 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 54631636 is about 7391.3216680104. The cubic root of 54631636 is about 379.4443309695. Note that the first 3 decimals are identical.

Subtracting 54631636 from its reverse (63613645), we obtain a square (8982009 = 2997²).

The spelling of 54631636 in words is "fifty-four million, six hundred thirty-one thousand, six hundred thirty-six".