551450434 has 4 divisors (see below), whose sum is σ = 827175654. Its totient is φ = 275725216.

The previous prime is 551450407. The next prime is 551450441. The reversal of 551450434 is 434054155.

It is a happy number.

551450434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434054155 = 5 ⋅86810831.

It can be written as a sum of positive squares in only one way, i.e., 368524809 + 182925625 = 19197^2 + 13525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551450396 and 551450405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137862607 + ... + 137862610.

Almost surely, 2^551450434 is an apocalyptic number.

551450434 is a deficient number, since it is larger than the sum of its proper divisors (275725220).

551450434 is a wasteful number, since it uses less digits than its factorization.

551450434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275725219.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 551450434 is about 23482.9817953343. The cubic root of 551450434 is about 820.0408635198.

The spelling of 551450434 in words is "five hundred fifty-one million, four hundred fifty thousand, four hundred thirty-four".