551013155 has 16 divisors (see below), whose sum is σ = 824373504. Its totient is φ = 343488480.

The previous prime is 551013149. The next prime is 551013173. The reversal of 551013155 is 551310155.

551013155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551013155 - 2¹⁰ = 551012131 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, 715217 + ... + 715986.

It is an arithmetic number, because the mean of its divisors is an integer number (51523344).

Almost surely, 2^551013155 is an apocalyptic number.

551013155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551013155 is a deficient number, since it is larger than the sum of its proper divisors (273360349).

551013155 is a wasteful number, since it uses less digits than its factorization.

551013155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431226.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 551013155 is about 23473.6693978594. The cubic root of 551013155 is about 819.8240525729.

The spelling of 551013155 in words is "five hundred fifty-one million, thirteen thousand, one hundred fifty-five".