551059398 has 12 divisors (see below), whose sum is σ = 1193962068. Its totient is φ = 183686460.

The previous prime is 551059381. The next prime is 551059427. The reversal of 551059398 is 893950155.

551059398 is a `hidden beast` number, since 5 + 51 + 0 + 593 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15307188 + ... + 15307223.

It is an arithmetic number, because the mean of its divisors is an integer number (99496839).

Almost surely, 2^551059398 is an apocalyptic number.

551059398 is an abundant number, since it is smaller than the sum of its proper divisors (642902670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551059398 is a wasteful number, since it uses less digits than its factorization.

551059398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30614419 (or 30614416 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The square root of 551059398 is about 23474.6543744525. The cubic root of 551059398 is about 819.8469861228.

The spelling of 551059398 in words is "five hundred fifty-one million, fifty-nine thousand, three hundred ninety-eight".