551242502 has 8 divisors (see below), whose sum is σ = 849211536. Its totient is φ = 268171992.

The previous prime is 551242481. The next prime is 551242513. The reversal of 551242502 is 205242155.

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

It is a super-2 number, since 2×551242502² = 607736592022440008, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 3724538 + ... + 3724685.

It is an arithmetic number, because the mean of its divisors is an integer number (106151442).

Almost surely, 2^551242502 is an apocalyptic number.

551242502 is a deficient number, since it is larger than the sum of its proper divisors (297969034).

551242502 is a wasteful number, since it uses less digits than its factorization.

551242502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449262.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 551242502 is about 23478.5540866553. The cubic root of 551242502 is about 819.9377813192.

Adding to 551242502 its reverse (205242155), we get a palindrome (756484657).

The spelling of 551242502 in words is "five hundred fifty-one million, two hundred forty-two thousand, five hundred two".