550686451 has 24 divisors (see below), whose sum is σ = 656902656. Its totient is φ = 460086480.

The previous prime is 550686439. The next prime is 550686473. The reversal of 550686451 is 154686055.

It is a de Polignac number, because none of the positive numbers 2^k-550686451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550686431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121316 + ... + 1121806.

It is an arithmetic number, because the mean of its divisors is an integer number (27370944).

Almost surely, 2^550686451 is an apocalyptic number.

550686451 is a deficient number, since it is larger than the sum of its proper divisors (106216205).

550686451 is a wasteful number, since it uses less digits than its factorization.

550686451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 550686451 is about 23466.7094199421. The cubic root of 550686451 is about 819.6619918624.

The spelling of 550686451 in words is "five hundred fifty million, six hundred eighty-six thousand, four hundred fifty-one".