551059397 has 8 divisors (see below), whose sum is σ = 630188352. Its totient is φ = 472032000.

The previous prime is 551059381. The next prime is 551059427. The reversal of 551059397 is 793950155.

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 551059397 - 2⁴ = 551059381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551059307) 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, 13379 + ... + 35792.

It is an arithmetic number, because the mean of its divisors is an integer number (78773544).

Almost surely, 2^551059397 is an apocalyptic number.

It is an amenable number.

551059397 is a deficient number, since it is larger than the sum of its proper divisors (79128955).

551059397 is a wasteful number, since it uses less digits than its factorization.

551059397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50779.

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 551059397 is about 23474.6543531529. The cubic root of 551059397 is about 819.8469856269.

The spelling of 551059397 in words is "five hundred fifty-one million, fifty-nine thousand, three hundred ninety-seven".