54556522565545 has 96 divisors (see below), whose sum is σ = 92356664472576. Its totient is φ = 30380480524800.

The previous prime is 54556522565537. The next prime is 54556522565581.

54556522565545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54556522565545 - 2³ = 54556522565537 is a prime.

It is a super-2 number, since 2×54556522565545² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24030054 + ... + 26202223.

It is an arithmetic number, because the mean of its divisors is an integer number (962048588256).

Almost surely, 2^{54556522565545} is an apocalyptic number.

54556522565545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54556522565545 is a deficient number, since it is larger than the sum of its proper divisors (37800141907031).

54556522565545 is a wasteful number, since it uses less digits than its factorization.

54556522565545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50232351 (or 50232344 counting only the distinct ones).

The product of its digits is 900000000, while the sum is 64.

The spelling of 54556522565545 in words is "fifty-four trillion, five hundred fifty-six billion, five hundred twenty-two million, five hundred sixty-five thousand, five hundred forty-five".