54982746257 has 4 divisors (see below), whose sum is σ = 55027195956. Its totient is φ = 54938296560.

The previous prime is 54982746229. The next prime is 54982746289. The reversal of 54982746257 is 75264728945.

It is a Cunningham number, because it is equal to 234484²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41524658176 + 13458088081 = 203776^2 + 116009^2 .

It is a cyclic number.

It is not a de Polignac number, because 54982746257 - 2¹⁶ = 54982680721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54982746196 and 54982746205.

It is not an unprimeable number, because it can be changed into a prime (54982746457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22222994 + ... + 22225467.

It is an arithmetic number, because the mean of its divisors is an integer number (13756798989).

Almost surely, 2^54982746257 is an apocalyptic number.

It is an amenable number.

54982746257 is a deficient number, since it is larger than the sum of its proper divisors (44449699).

54982746257 is a wasteful number, since it uses less digits than its factorization.

54982746257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44449698.

The product of its digits is 33868800, while the sum is 59.

The spelling of 54982746257 in words is "fifty-four billion, nine hundred eighty-two million, seven hundred forty-six thousand, two hundred fifty-seven".