551055000055 has 32 divisors (see below), whose sum is σ = 776322247680. Its totient is φ = 367622810880.

The previous prime is 551055000029. The next prime is 551055000071. The reversal of 551055000055 is 550000550155.

It is not a de Polignac number, because 551055000055 - 2⁹ = 551054999543 is a prime.

It is a super-2 number, since 2×551055000055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551054999990 and 551055000026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19669 + ... + 1049998.

It is an arithmetic number, because the mean of its divisors is an integer number (24260070240).

Almost surely, 2^551055000055 is an apocalyptic number.

551055000055 is a deficient number, since it is larger than the sum of its proper divisors (225267247625).

551055000055 is a wasteful number, since it uses less digits than its factorization.

551055000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070079.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 551055000055 in words is "five hundred fifty-one billion, fifty-five million, fifty-five", and thus it is an aban number.