551547342 has 12 divisors (see below), whose sum is σ = 1195019280. Its totient is φ = 183849108.

The previous prime is 551547331. The next prime is 551547391. The reversal of 551547342 is 243745155.

It is a junction number, because it is equal to n+sod(n) for n = 551547297 and 551547306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15320742 + ... + 15320777.

It is an arithmetic number, because the mean of its divisors is an integer number (99584940).

Almost surely, 2^551547342 is an apocalyptic number.

551547342 is an abundant number, since it is smaller than the sum of its proper divisors (643471938).

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

551547342 is a wasteful number, since it uses less digits than its factorization.

551547342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641527 (or 30641524 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 551547342 is about 23485.0450712789. The cubic root of 551547342 is about 820.0888967672.

The spelling of 551547342 in words is "five hundred fifty-one million, five hundred forty-seven thousand, three hundred forty-two".