551404102 has 4 divisors (see below), whose sum is σ = 827106156. Its totient is φ = 275702050.

The previous prime is 551404069. The next prime is 551404123. The reversal of 551404102 is 201404155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201404155 = 5 ⋅40280831.

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, 137851024 + ... + 137851027.

It is an arithmetic number, because the mean of its divisors is an integer number (206776539).

Almost surely, 2^551404102 is an apocalyptic number.

551404102 is a deficient number, since it is larger than the sum of its proper divisors (275702054).

551404102 is a wasteful number, since it uses less digits than its factorization.

551404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275702053.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 551404102 is about 23481.9952729746. The cubic root of 551404102 is about 820.0178966945.

Adding to 551404102 its reverse (201404155), we get a palindrome (752808257).

The spelling of 551404102 in words is "five hundred fifty-one million, four hundred four thousand, one hundred two".