55275487564 has 96 divisors (see below), whose sum is σ = 115110051840. Its totient is φ = 22962139200.

The previous prime is 55275487537. The next prime is 55275487567. The reversal of 55275487564 is 46578457255.

It is a junction number, because it is equal to n+sod(n) for n = 55275487499 and 55275487508.

It is not an unprimeable number, because it can be changed into a prime (55275487567) 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 31 ways as a sum of consecutive naturals, for example, 2467237 + ... + 2489539.

It is an arithmetic number, because the mean of its divisors is an integer number (1199063040).

Almost surely, 2^55275487564 is an apocalyptic number.

It is an amenable number.

55275487564 is an abundant number, since it is smaller than the sum of its proper divisors (59834564276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55275487564 is a wasteful number, since it uses less digits than its factorization.

55275487564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22451 (or 22449 counting only the distinct ones).

The product of its digits is 47040000, while the sum is 58.

The spelling of 55275487564 in words is "fifty-five billion, two hundred seventy-five million, four hundred eighty-seven thousand, five hundred sixty-four".