54197617903 has 8 divisors (see below), whose sum is σ = 63672726096. Its totient is φ = 45480518400.

The previous prime is 54197617891. The next prime is 54197617909. The reversal of 54197617903 is 30971679145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54197617903 - 2¹⁷ = 54197486831 is a prime.

It is a super-2 number, since 2×54197617903² (a number of 22 digits) 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 (54197617909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189502018 + ... + 189502303.

It is an arithmetic number, because the mean of its divisors is an integer number (7959090762).

Almost surely, 2^54197617903 is an apocalyptic number.

54197617903 is a deficient number, since it is larger than the sum of its proper divisors (9475108193).

54197617903 is a wasteful number, since it uses less digits than its factorization.

54197617903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379004345.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 54197617903 in words is "fifty-four billion, one hundred ninety-seven million, six hundred seventeen thousand, nine hundred three".