54554591 has 12 divisors (see below), whose sum is σ = 68343912. Its totient is φ = 43163568.

The previous prime is 54554587. The next prime is 54554593. The reversal of 54554591 is 19545545.

It is not a de Polignac number, because 54554591 - 2² = 54554587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54554593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42185 + ... + 43458.

It is an arithmetic number, because the mean of its divisors is an integer number (5695326).

Almost surely, 2^54554591 is an apocalyptic number.

54554591 is a deficient number, since it is larger than the sum of its proper divisors (13789321).

54554591 is a wasteful number, since it uses less digits than its factorization.

54554591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85670 (or 85663 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 54554591 is about 7386.1079737572. The cubic root of 54554591 is about 379.2658748948.

The spelling of 54554591 in words is "fifty-four million, five hundred fifty-four thousand, five hundred ninety-one".