551442846 has 16 divisors (see below), whose sum is σ = 1123695504. Its totient is φ = 180345984.

The previous prime is 551442841. The next prime is 551442847. The reversal of 551442846 is 648244155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551442841) 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, 866731 + ... + 867366.

It is an arithmetic number, because the mean of its divisors is an integer number (70230969).

Almost surely, 2^551442846 is an apocalyptic number.

551442846 is an abundant number, since it is smaller than the sum of its proper divisors (572252658).

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

551442846 is a wasteful number, since it uses less digits than its factorization.

551442846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734155.

The product of its digits is 153600, while the sum is 39.

The square root of 551442846 is about 23482.8202309689. The cubic root of 551442846 is about 820.0371022276.

The spelling of 551442846 in words is "five hundred fifty-one million, four hundred forty-two thousand, eight hundred forty-six".