55276557545 has 16 divisors (see below), whose sum is σ = 72378111168. Its totient is φ = 40192203840.

The previous prime is 55276557517. The next prime is 55276557551. The reversal of 55276557545 is 54575567255.

It is not a de Polignac number, because 55276557545 - 2⁸ = 55276557289 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, 143522 + ... + 362148.

It is an arithmetic number, because the mean of its divisors is an integer number (4523631948).

Almost surely, 2^55276557545 is an apocalyptic number.

55276557545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55276557545 is a deficient number, since it is larger than the sum of its proper divisors (17101553623).

55276557545 is a wasteful number, since it uses less digits than its factorization.

55276557545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223240.

The product of its digits is 36750000, while the sum is 56.

The spelling of 55276557545 in words is "fifty-five billion, two hundred seventy-six million, five hundred fifty-seven thousand, five hundred forty-five".