54854225721 has 6 divisors (see below), whose sum is σ = 79233881610. Its totient is φ = 36569483808.

The previous prime is 54854225711. The next prime is 54854225731. The reversal of 54854225721 is 12752245845.

54854225721 is a `hidden beast` number, since 5 + 4 + 8 + 54 + 22 + 572 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (54854225711) and next prime (54854225731).

It can be written as a sum of positive squares in only one way, i.e., 54664778025 + 189447696 = 233805^2 + 13764^2 .

It is not a de Polignac number, because 54854225721 - 2⁵ = 54854225689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54854225711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3047456976 + ... + 3047456993.

It is an arithmetic number, because the mean of its divisors is an integer number (13205646935).

Almost surely, 2^54854225721 is an apocalyptic number.

It is an amenable number.

54854225721 is a deficient number, since it is larger than the sum of its proper divisors (24379655889).

54854225721 is a wasteful number, since it uses less digits than its factorization.

54854225721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094913975 (or 6094913972 counting only the distinct ones).

The product of its digits is 896000, while the sum is 45.

The spelling of 54854225721 in words is "fifty-four billion, eight hundred fifty-four million, two hundred twenty-five thousand, seven hundred twenty-one".