551354854 has 4 divisors (see below), whose sum is σ = 827032284. Its totient is φ = 275677426.

The previous prime is 551354849. The next prime is 551354857. The reversal of 551354854 is 458453155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458453155 = 5 ⋅91690631.

It is a super-2 number, since 2×551354854² = 607984350058722632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551354857) by changing a digit.

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, 137838712 + ... + 137838715.

It is an arithmetic number, because the mean of its divisors is an integer number (206758071).

Almost surely, 2^551354854 is an apocalyptic number.

551354854 is a deficient number, since it is larger than the sum of its proper divisors (275677430).

551354854 is a wasteful number, since it uses less digits than its factorization.

551354854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275677429.

The product of its digits is 240000, while the sum is 40.

The square root of 551354854 is about 23480.9466163526. The cubic root of 551354854 is about 819.9934829940.

The spelling of 551354854 in words is "five hundred fifty-one million, three hundred fifty-four thousand, eight hundred fifty-four".