551351123 has 16 divisors (see below), whose sum is σ = 595408320. Its totient is φ = 508646400.

The previous prime is 551351113. The next prime is 551351131. The reversal of 551351123 is 321153155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 551351123 - 2¹⁴ = 551334739 is a prime.

It is a super-2 number, since 2×551351123² = 607976121666722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551351092 and 551351101.

It is not an unprimeable number, because it can be changed into a prime (551351113) 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, 371543 + ... + 373023.

It is an arithmetic number, because the mean of its divisors is an integer number (37213020).

Almost surely, 2^551351123 is an apocalyptic number.

551351123 is a deficient number, since it is larger than the sum of its proper divisors (44057197).

551351123 is a wasteful number, since it uses less digits than its factorization.

551351123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its digits is 2250, while the sum is 26.

The square root of 551351123 is about 23480.8671688249. The cubic root of 551351123 is about 819.9916333669.

The spelling of 551351123 in words is "five hundred fifty-one million, three hundred fifty-one thousand, one hundred twenty-three".