551764093 has 4 divisors (see below), whose sum is σ = 560809468. Its totient is φ = 542718720.

The previous prime is 551764049. The next prime is 551764127. The reversal of 551764093 is 390467155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 518609529 = 5758^2 + 22773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551764093 is a prime.

It is a super-2 number, since 2×551764093² = 608887228648225298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551764193) 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 in 3 ways as a sum of consecutive naturals, for example, 4522596 + ... + 4522717.

It is an arithmetic number, because the mean of its divisors is an integer number (140202367).

Almost surely, 2^551764093 is an apocalyptic number.

It is an amenable number.

551764093 is a deficient number, since it is larger than the sum of its proper divisors (9045375).

551764093 is an equidigital number, since it uses as much as digits as its factorization.

551764093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045374.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 551764093 is about 23489.6592780738. The cubic root of 551764093 is about 820.1963108215.

The spelling of 551764093 in words is "five hundred fifty-one million, seven hundred sixty-four thousand, ninety-three".