550250639 has 16 divisors (see below), whose sum is σ = 569701440. Its totient is φ = 531256320.

The previous prime is 550250633. The next prime is 550250663. The reversal of 550250639 is 936052055.

It is a cyclic number.

It is not a de Polignac number, because 550250639 - 2⁸ = 550250383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550250599 and 550250608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550250633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750317 + ... + 751049.

It is an arithmetic number, because the mean of its divisors is an integer number (35606340).

Almost surely, 2^550250639 is an apocalyptic number.

550250639 is a deficient number, since it is larger than the sum of its proper divisors (19450801).

550250639 is a wasteful number, since it uses less digits than its factorization.

550250639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 550250639 is about 23457.4218319064. The cubic root of 550250639 is about 819.4457085874.

The spelling of 550250639 in words is "five hundred fifty million, two hundred fifty thousand, six hundred thirty-nine".