55572227555 has 16 divisors (see below), whose sum is σ = 73486570080. Its totient is φ = 40083579648.

The previous prime is 55572227533. The next prime is 55572227563.

55572227555 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 55572227555 - 2¹² = 55572223459 is a prime.

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, 9938570 + ... + 9944159.

It is an arithmetic number, because the mean of its divisors is an integer number (4592910630).

Almost surely, 2^55572227555 is an apocalyptic number.

55572227555 is a deficient number, since it is larger than the sum of its proper divisors (17914342525).

55572227555 is a wasteful number, since it uses less digits than its factorization.

55572227555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19882790.

The product of its digits is 6125000, while the sum is 50.

The spelling of 55572227555 in words is "fifty-five billion, five hundred seventy-two million, two hundred twenty-seven thousand, five hundred fifty-five".