54557075545 has 24 divisors (see below), whose sum is σ = 76333254984. Its totient is φ = 37324094976.

The previous prime is 54557075533. The next prime is 54557075579.

It is a happy number.

54557075545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 2084926921 + 52472148624 = 45661^2 + 229068^2 .

It is not a de Polignac number, because 54557075545 - 2¹⁵ = 54557042777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54557075492 and 54557075501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151054 + ... + 363223.

It is an arithmetic number, because the mean of its divisors is an integer number (3180552291).

Almost surely, 2^54557075545 is an apocalyptic number.

It is an amenable number.

54557075545 is a deficient number, since it is larger than the sum of its proper divisors (21776179439).

54557075545 is a wasteful number, since it uses less digits than its factorization.

54557075545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514729 (or 514722 counting only the distinct ones).

The product of its (nonzero) digits is 12250000, while the sum is 52.

The spelling of 54557075545 in words is "fifty-four billion, five hundred fifty-seven million, seventy-five thousand, five hundred forty-five".