551522542 has 8 divisors (see below), whose sum is σ = 837756000. Its totient is φ = 272270544.

The previous prime is 551522539. The next prime is 551522549. The reversal of 551522542 is 245225155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×551522542² = 608354228668283528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551522549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745167 + ... + 1745482.

It is an arithmetic number, because the mean of its divisors is an integer number (104719500).

Almost surely, 2^551522542 is an apocalyptic number.

551522542 is a deficient number, since it is larger than the sum of its proper divisors (286233458).

551522542 is a wasteful number, since it uses less digits than its factorization.

551522542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490730.

The product of its digits is 20000, while the sum is 31.

The square root of 551522542 is about 23484.5170697632. The cubic root of 551522542 is about 820.0766049789.

Adding to 551522542 its reverse (245225155), we get a palindrome (796747697).

The spelling of 551522542 in words is "five hundred fifty-one million, five hundred twenty-two thousand, five hundred forty-two".