550945457 has 4 divisors (see below), whose sum is σ = 552041280. Its totient is φ = 549849636.

The previous prime is 550945411. The next prime is 550945463. The reversal of 550945457 is 754549055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550945457 - 2²⁶ = 483836593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550945477) 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, 547157 + ... + 548162.

It is an arithmetic number, because the mean of its divisors is an integer number (138010320).

Almost surely, 2^550945457 is an apocalyptic number.

It is an amenable number.

550945457 is a deficient number, since it is larger than the sum of its proper divisors (1095823).

550945457 is a wasteful number, since it uses less digits than its factorization.

550945457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095822.

The product of its (nonzero) digits is 630000, while the sum is 44.

The square root of 550945457 is about 23472.2273548975. The cubic root of 550945457 is about 819.7904764103.

The spelling of 550945457 in words is "five hundred fifty million, nine hundred forty-five thousand, four hundred fifty-seven".