551455352542 has 4 divisors (see below), whose sum is σ = 827183028816. Its totient is φ = 275727676270.

The previous prime is 551455352489. The next prime is 551455352557. The reversal of 551455352542 is 245253554155.

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

It is a junction number, because it is equal to n+sod(n) for n = 551455352492 and 551455352501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137863838134 + ... + 137863838137.

It is an arithmetic number, because the mean of its divisors is an integer number (206795757204).

Almost surely, 2^551455352542 is an apocalyptic number.

551455352542 is a deficient number, since it is larger than the sum of its proper divisors (275727676274).

551455352542 is a wasteful number, since it uses less digits than its factorization.

551455352542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275727676273.

The product of its digits is 3000000, while the sum is 46.

The spelling of 551455352542 in words is "five hundred fifty-one billion, four hundred fifty-five million, three hundred fifty-two thousand, five hundred forty-two".