551052881 has 2 divisors, whose sum is σ = 551052882. Its totient is φ = 551052880.

The previous prime is 551052767. The next prime is 551052899. The reversal of 551052881 is 188250155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543123025 + 7929856 = 23305^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 551052881 - 2²⁶ = 483944017 is a prime.

It is a super-2 number, since 2×551052881² = 607318555316800322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (551055881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275526440 + 275526441.

It is an arithmetic number, because the mean of its divisors is an integer number (275526441).

Almost surely, 2^551052881 is an apocalyptic number.

It is an amenable number.

551052881 is a deficient number, since it is larger than the sum of its proper divisors (1).

551052881 is an equidigital number, since it uses as much as digits as its factorization.

551052881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 551052881 is about 23474.5155647566. The cubic root of 551052881 is about 819.8437541882.

The spelling of 551052881 in words is "five hundred fifty-one million, fifty-two thousand, eight hundred eighty-one".