551535455 has 16 divisors (see below), whose sum is σ = 672883200. Its totient is φ = 433900320.

The previous prime is 551535433. The next prime is 551535461. The reversal of 551535455 is 554535155.

It is a happy number.

It is not a de Polignac number, because 551535455 - 2¹² = 551531359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154076 + ... + 157614.

It is an arithmetic number, because the mean of its divisors is an integer number (42055200).

Almost surely, 2^551535455 is an apocalyptic number.

551535455 is a deficient number, since it is larger than the sum of its proper divisors (121347745).

551535455 is a wasteful number, since it uses less digits than its factorization.

551535455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its digits is 187500, while the sum is 38.

The square root of 551535455 is about 23484.7919939692. The cubic root of 551535455 is about 820.0830051806.

The spelling of 551535455 in words is "five hundred fifty-one million, five hundred thirty-five thousand, four hundred fifty-five".