551225154 has 8 divisors (see below), whose sum is σ = 1102450320. Its totient is φ = 183741716.

The previous prime is 551225137. The next prime is 551225173. The reversal of 551225154 is 451522155.

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

551225154 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45935424 + ... + 45935435.

It is an arithmetic number, because the mean of its divisors is an integer number (137806290).

Almost surely, 2^551225154 is an apocalyptic number.

551225154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551225154 is a wasteful number, since it uses less digits than its factorization.

551225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91870864.

The product of its digits is 10000, while the sum is 30.

The square root of 551225154 is about 23478.1846402144. The cubic root of 551225154 is about 819.9291798841.

The spelling of 551225154 in words is "five hundred fifty-one million, two hundred twenty-five thousand, one hundred fifty-four".