54817903 has 16 divisors (see below), whose sum is σ = 64062720. Its totient is φ = 45936000.

The previous prime is 54817891. The next prime is 54817909. The reversal of 54817903 is 30971845.

It is a cyclic number.

It is not a de Polignac number, because 54817903 - 2²⁵ = 21263471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54817909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136503 + ... + 136903.

It is an arithmetic number, because the mean of its divisors is an integer number (4003920).

Almost surely, 2^54817903 is an apocalyptic number.

54817903 is a deficient number, since it is larger than the sum of its proper divisors (9244817).

54817903 is a wasteful number, since it uses less digits than its factorization.

54817903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 54817903 is about 7403.9113311816. The cubic root of 54817903 is about 379.8750812849.

The spelling of 54817903 in words is "fifty-four million, eight hundred seventeen thousand, nine hundred three".