551342126 has 4 divisors (see below), whose sum is σ = 827013192. Its totient is φ = 275671062.

The previous prime is 551342119. The next prime is 551342137. The reversal of 551342126 is 621243155.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137835530 + ... + 137835533.

It is an arithmetic number, because the mean of its divisors is an integer number (206753298).

Almost surely, 2^551342126 is an apocalyptic number.

551342126 is a deficient number, since it is larger than the sum of its proper divisors (275671066).

551342126 is a wasteful number, since it uses less digits than its factorization.

551342126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275671065.

The product of its digits is 7200, while the sum is 29.

The square root of 551342126 is about 23480.6755865329. The cubic root of 551342126 is about 819.9871731089.

The spelling of 551342126 in words is "five hundred fifty-one million, three hundred forty-two thousand, one hundred twenty-six".