54245443531555 has 16 divisors (see below), whose sum is σ = 66233286858240. Its totient is φ = 42637973022432.

The previous prime is 54245443531549. The next prime is 54245443531567. The reversal of 54245443531555 is 55513534454245.

It is a cyclic number.

It is not a de Polignac number, because 54245443531555 - 2⁵ = 54245443531523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54245443531496 and 54245443531505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48694779 + ... + 49796308.

It is an arithmetic number, because the mean of its divisors is an integer number (4139580428640).

Almost surely, 2^{54245443531555} is an apocalyptic number.

54245443531555 is a deficient number, since it is larger than the sum of its proper divisors (11987843326685).

54245443531555 is a wasteful number, since it uses less digits than its factorization.

54245443531555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98493018.

The product of its digits is 72000000, while the sum is 55.

The spelling of 54245443531555 in words is "fifty-four trillion, two hundred forty-five billion, four hundred forty-three million, five hundred thirty-one thousand, five hundred fifty-five".