551646034 has 4 divisors (see below), whose sum is σ = 827469054. Its totient is φ = 275823016.

The previous prime is 551646031. The next prime is 551646037. The reversal of 551646034 is 430646155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430646155 = 5 ⋅86129231.

It is an interprime number because it is at equal distance from previous prime (551646031) and next prime (551646037).

It can be written as a sum of positive squares in only one way, i.e., 510082225 + 41563809 = 22585^2 + 6447^2 .

It is not an unprimeable number, because it can be changed into a prime (551646031) 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, 137911507 + ... + 137911510.

Almost surely, 2^551646034 is an apocalyptic number.

551646034 is a deficient number, since it is larger than the sum of its proper divisors (275823020).

551646034 is a wasteful number, since it uses less digits than its factorization.

551646034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275823019.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 551646034 is about 23487.1461442211. The cubic root of 551646034 is about 820.1378084866.

It can be divided in two parts, 55 and 1646034, that added together give a square (1646089 = 1283²).

The spelling of 551646034 in words is "five hundred fifty-one million, six hundred forty-six thousand, thirty-four".