551105455 has 8 divisors (see below), whose sum is σ = 665707104. Its totient is φ = 437964000.

The previous prime is 551105453. The next prime is 551105483. The reversal of 551105455 is 554501155.

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

It is not a de Polignac number, because 551105455 - 2¹ = 551105453 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 (551105453) 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, 364216 + ... + 365725.

It is an arithmetic number, because the mean of its divisors is an integer number (83213388).

Almost surely, 2^551105455 is an apocalyptic number.

551105455 is a deficient number, since it is larger than the sum of its proper divisors (114601649).

551105455 is a wasteful number, since it uses less digits than its factorization.

551105455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730097.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 551105455 is about 23475.6353481647. The cubic root of 551105455 is about 819.8698261535.

The spelling of 551105455 in words is "five hundred fifty-one million, one hundred five thousand, four hundred fifty-five".