55507270555 has 16 divisors (see below), whose sum is σ = 73855281888. Its totient is φ = 39707136000.

The previous prime is 55507270549. The next prime is 55507270573.

55507270555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55507270555 - 2²¹ = 55505173403 is a prime.

It is a Duffinian number.

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, 8268966 + ... + 8275675.

It is an arithmetic number, because the mean of its divisors is an integer number (4615955118).

Almost surely, 2^55507270555 is an apocalyptic number.

55507270555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55507270555 is a deficient number, since it is larger than the sum of its proper divisors (18348011333).

55507270555 is a wasteful number, since it uses less digits than its factorization.

55507270555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544718.

The product of its (nonzero) digits is 1531250, while the sum is 46.

The spelling of 55507270555 in words is "fifty-five billion, five hundred seven million, two hundred seventy thousand, five hundred fifty-five".