551442125 has 32 divisors (see below), whose sum is σ = 746849376. Its totient is φ = 404083200.

The previous prime is 551442119. The next prime is 551442179. The reversal of 551442125 is 521244155.

It can be written as a sum of positive squares in 16 ways, for example, as 458859241 + 92582884 = 21421^2 + 9622^2 .

It is not a de Polignac number, because 551442125 - 2⁶ = 551442061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221387 + ... + 223863.

It is an arithmetic number, because the mean of its divisors is an integer number (23339043).

Almost surely, 2^551442125 is an apocalyptic number.

It is an amenable number.

551442125 is a deficient number, since it is larger than the sum of its proper divisors (195407251).

551442125 is a wasteful number, since it uses less digits than its factorization.

551442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2632 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 551442125 is about 23482.8048793154. The cubic root of 551442125 is about 820.0367448337.

The spelling of 551442125 in words is "five hundred fifty-one million, four hundred forty-two thousand, one hundred twenty-five".