54499631 has 4 divisors (see below), whose sum is σ = 55972632. Its totient is φ = 53026632.

The previous prime is 54499589. The next prime is 54499663. The reversal of 54499631 is 13699445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54499631 - 2¹⁰ = 54498607 is a prime.

It is a super-2 number, since 2×54499631² = 5940419558272322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54499031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736445 + ... + 736518.

It is an arithmetic number, because the mean of its divisors is an integer number (13993158).

Almost surely, 2^54499631 is an apocalyptic number.

54499631 is a deficient number, since it is larger than the sum of its proper divisors (1473001).

54499631 is a wasteful number, since it uses less digits than its factorization.

54499631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473000.

The product of its digits is 116640, while the sum is 41.

The square root of 54499631 is about 7382.3865382409. The cubic root of 54499631 is about 379.1384706696.

The spelling of 54499631 in words is "fifty-four million, four hundred ninety-nine thousand, six hundred thirty-one".