551430046 has 16 divisors (see below), whose sum is σ = 898767360. Its totient is φ = 252777240.

The previous prime is 551430043. The next prime is 551430049. The reversal of 551430046 is 640034155.

It is an interprime number because it is at equal distance from previous prime (551430043) and next prime (551430049).

It is a junction number, because it is equal to n+sod(n) for n = 551429996 and 551430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551430043) 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, 232876 + ... + 235231.

It is an arithmetic number, because the mean of its divisors is an integer number (56172960).

Almost surely, 2^551430046 is an apocalyptic number.

551430046 is a deficient number, since it is larger than the sum of its proper divisors (347337314).

551430046 is a wasteful number, since it uses less digits than its factorization.

551430046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468159.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 551430046 is about 23482.5476897206. The cubic root of 551430046 is about 820.0307573234.

The spelling of 551430046 in words is "five hundred fifty-one million, four hundred thirty thousand, forty-six".