551415342 has 16 divisors (see below), whose sum is σ = 1115223120. Its totient is φ = 181739712.

The previous prime is 551415289. The next prime is 551415343. The reversal of 551415342 is 243514155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551415343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515773 + ... + 516840.

It is an arithmetic number, because the mean of its divisors is an integer number (69701445).

Almost surely, 2^551415342 is an apocalyptic number.

551415342 is an abundant number, since it is smaller than the sum of its proper divisors (563807778).

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

551415342 is a wasteful number, since it uses less digits than its factorization.

551415342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032707.

The product of its digits is 12000, while the sum is 30.

The square root of 551415342 is about 23482.2346040576. The cubic root of 551415342 is about 820.0234684935.

Adding to 551415342 its reverse (243514155), we get a palindrome (794929497).

The spelling of 551415342 in words is "five hundred fifty-one million, four hundred fifteen thousand, three hundred forty-two".