551767155 has 16 divisors (see below), whose sum is σ = 883173120. Its totient is φ = 294160608.

The previous prime is 551767061. The next prime is 551767157.

It is a happy number.

551767155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551767155 - 2¹⁷ = 551636083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551767157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44244 + ... + 55326.

It is an arithmetic number, because the mean of its divisors is an integer number (55198320).

Almost surely, 2^551767155 is an apocalyptic number.

551767155 is a deficient number, since it is larger than the sum of its proper divisors (331405965).

551767155 is a wasteful number, since it uses less digits than its factorization.

551767155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410.

The product of its digits is 183750, while the sum is 42.

The square root of 551767155 is about 23489.7244555997. The cubic root of 551767155 is about 820.1978280378.

The spelling of 551767155 in words is "five hundred fifty-one million, seven hundred sixty-seven thousand, one hundred fifty-five".