54836425557 has 36 divisors (see below), whose sum is σ = 80854542340. Its totient is φ = 35810159616.

The previous prime is 54836425531. The next prime is 54836425561. The reversal of 54836425557 is 75552463845.

54836425557 is a `hidden beast` number, since 5 + 4 + 8 + 3 + 64 + 25 + 557 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1228432401 + 53607993156 = 35049^2 + 231534^2 .

It is not a de Polignac number, because 54836425557 - 2⁶ = 54836425493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54836425507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7766973 + ... + 7774029.

Almost surely, 2^54836425557 is an apocalyptic number.

It is an amenable number.

54836425557 is a deficient number, since it is larger than the sum of its proper divisors (26018116783).

54836425557 is a wasteful number, since it uses less digits than its factorization.

54836425557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350 (or 7258 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 54.

The spelling of 54836425557 in words is "fifty-four billion, eight hundred thirty-six million, four hundred twenty-five thousand, five hundred fifty-seven".