54971617945 has 32 divisors (see below), whose sum is σ = 70874476416. Its totient is φ = 40785024000.

The previous prime is 54971617927. The next prime is 54971617993.

54971617945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54971617945 - 2²³ = 54963229337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54971617945.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1796262 + ... + 1826608.

It is an arithmetic number, because the mean of its divisors is an integer number (2214827388).

Almost surely, 2^54971617945 is an apocalyptic number.

It is an amenable number.

54971617945 is a deficient number, since it is larger than the sum of its proper divisors (15902858471).

54971617945 is a wasteful number, since it uses less digits than its factorization.

54971617945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30681.

The product of its digits is 9525600, while the sum is 58.

The spelling of 54971617945 in words is "fifty-four billion, nine hundred seventy-one million, six hundred seventeen thousand, nine hundred forty-five".