54456721955 has 8 divisors (see below), whose sum is σ = 65354621904. Its totient is φ = 43561007200.

The previous prime is 54456721951. The next prime is 54456721999. The reversal of 54456721955 is 55912765445.

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

It is not a de Polignac number, because 54456721955 - 2² = 54456721951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54456721897 and 54456721906.

It is not an unprimeable number, because it can be changed into a prime (54456721951) 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, 490961 + ... + 591570.

It is an arithmetic number, because the mean of its divisors is an integer number (8169327738).

Almost surely, 2^54456721955 is an apocalyptic number.

54456721955 is a deficient number, since it is larger than the sum of its proper divisors (10897899949).

54456721955 is a wasteful number, since it uses less digits than its factorization.

54456721955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092597.

The product of its digits is 7560000, while the sum is 53.

The spelling of 54456721955 in words is "fifty-four billion, four hundred fifty-six million, seven hundred twenty-one thousand, nine hundred fifty-five".