54591814 has 4 divisors (see below), whose sum is σ = 81887724. Its totient is φ = 27295906.

The previous prime is 54591793. The next prime is 54591821. The reversal of 54591814 is 41819545.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13647952 + ... + 13647955.

It is an arithmetic number, because the mean of its divisors is an integer number (20471931).

Almost surely, 2^54591814 is an apocalyptic number.

54591814 is a deficient number, since it is larger than the sum of its proper divisors (27295910).

54591814 is a wasteful number, since it uses less digits than its factorization.

54591814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27295909.

The product of its digits is 28800, while the sum is 37.

The square root of 54591814 is about 7388.6273420711. The cubic root of 54591814 is about 379.3521139189.

The spelling of 54591814 in words is "fifty-four million, five hundred ninety-one thousand, eight hundred fourteen".