551215355 has 24 divisors (see below), whose sum is σ = 694921920. Its totient is φ = 419696640.

The previous prime is 551215351. The next prime is 551215363. The reversal of 551215355 is 553512155.

551215355 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551215355 - 2² = 551215351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551215351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716411 + ... + 717179.

It is an arithmetic number, because the mean of its divisors is an integer number (28955080).

Almost surely, 2^551215355 is an apocalyptic number.

551215355 is a deficient number, since it is larger than the sum of its proper divisors (143706565).

551215355 is a wasteful number, since it uses less digits than its factorization.

551215355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1068 counting only the distinct ones).

The product of its digits is 18750, while the sum is 32.

The square root of 551215355 is about 23477.9759562020. The cubic root of 551215355 is about 819.9243212926.

The spelling of 551215355 in words is "five hundred fifty-one million, two hundred fifteen thousand, three hundred fifty-five".