54485631 has 24 divisors (see below), whose sum is σ = 81768960. Its totient is φ = 34923600.

The previous prime is 54485621. The next prime is 54485633. The reversal of 54485631 is 13658445.

It is a happy number.

54485631 is a `hidden beast` number, since 54 + 48 + 563 + 1 = 666.

It is not a de Polignac number, because 54485631 - 2¹⁰ = 54484607 is a prime.

It is a super-2 number, since 2×54485631² = 5937367970936322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54485633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49396 + ... + 50486.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 2^54485631 is an apocalyptic number.

54485631 is a deficient number, since it is larger than the sum of its proper divisors (27283329).

54485631 is a wasteful number, since it uses less digits than its factorization.

54485631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1304 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 54485631 is about 7381.4382744828. The cubic root of 54485631 is about 379.1060032133.

The spelling of 54485631 in words is "fifty-four million, four hundred eighty-five thousand, six hundred thirty-one".