551120445 has 24 divisors (see below), whose sum is σ = 958928256. Its totient is φ = 292807008.

The previous prime is 551120413. The next prime is 551120497. The reversal of 551120445 is 544021155.

It is not a de Polignac number, because 551120445 - 2⁵ = 551120413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11449 + ... + 35118.

It is an arithmetic number, because the mean of its divisors is an integer number (39955344).

Almost surely, 2^551120445 is an apocalyptic number.

It is an amenable number.

551120445 is a deficient number, since it is larger than the sum of its proper divisors (407807811).

551120445 is a wasteful number, since it uses less digits than its factorization.

551120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46841 (or 46838 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 551120445 is about 23475.9546131781. The cubic root of 551120445 is about 819.8772595387.

The spelling of 551120445 in words is "five hundred fifty-one million, one hundred twenty thousand, four hundred forty-five".