551940457 has 8 divisors (see below), whose sum is σ = 566858880. Its totient is φ = 537207600.

The previous prime is 551940449. The next prime is 551940503. The reversal of 551940457 is 754049155.

551940457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551940457 - 2³ = 551940449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551946457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40353 + ... + 52270.

It is an arithmetic number, because the mean of its divisors is an integer number (70857360).

Almost surely, 2^551940457 is an apocalyptic number.

It is an amenable number.

551940457 is a deficient number, since it is larger than the sum of its proper divisors (14918423).

551940457 is a wasteful number, since it uses less digits than its factorization.

551940457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92783.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 551940457 is about 23493.4130555779. The cubic root of 551940457 is about 820.2836897663.

The spelling of 551940457 in words is "five hundred fifty-one million, nine hundred forty thousand, four hundred fifty-seven".