551922131 has 4 divisors (see below), whose sum is σ = 552084792. Its totient is φ = 551759472.

The previous prime is 551922097. The next prime is 551922139. The reversal of 551922131 is 131229155.

551922131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131229155 = 5 ⋅26245831.

It is a cyclic number.

It is not a de Polignac number, because 551922131 - 2⁶ = 551922067 is a prime.

It is a super-2 number, since 2×551922131² = 609236077375162322, 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 = 551922094 and 551922103.

It is not an unprimeable number, because it can be changed into a prime (551922139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76130 + ... + 83063.

It is an arithmetic number, because the mean of its divisors is an integer number (138021198).

Almost surely, 2^551922131 is an apocalyptic number.

551922131 is a deficient number, since it is larger than the sum of its proper divisors (162661).

551922131 is a wasteful number, since it uses less digits than its factorization.

551922131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162660.

The product of its digits is 2700, while the sum is 29.

The square root of 551922131 is about 23493.0230281248. The cubic root of 551922131 is about 820.2746110785.

The spelling of 551922131 in words is "five hundred fifty-one million, nine hundred twenty-two thousand, one hundred thirty-one".