551454454155 has 32 divisors (see below), whose sum is σ = 965078472960. Its totient is φ = 266666359680.

The previous prime is 551454454123. The next prime is 551454454163.

551454454155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551454454155 - 2⁵ = 551454454123 is a prime.

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, 4346632 + ... + 4471701.

It is an arithmetic number, because the mean of its divisors is an integer number (30158702280).

Almost surely, 2^551454454155 is an apocalyptic number.

551454454155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551454454155 is a deficient number, since it is larger than the sum of its proper divisors (413624018805).

551454454155 is a wasteful number, since it uses less digits than its factorization.

551454454155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818731.

The product of its digits is 4000000, while the sum is 48.

The spelling of 551454454155 in words is "five hundred fifty-one billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred fifty-five".