550139793 has 16 divisors (see below), whose sum is σ = 839448576. Its totient is φ = 313938000.

The previous prime is 550139761. The next prime is 550139797. The reversal of 550139793 is 397931055.

It is a happy number.

It is not a de Polignac number, because 550139793 - 2⁵ = 550139761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550139797) 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, 1671 + ... + 33212.

It is an arithmetic number, because the mean of its divisors is an integer number (52465536).

Almost surely, 2^550139793 is an apocalyptic number.

It is an amenable number.

550139793 is a deficient number, since it is larger than the sum of its proper divisors (289308783).

550139793 is a wasteful number, since it uses less digits than its factorization.

550139793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35644.

The product of its (nonzero) digits is 127575, while the sum is 42.

The square root of 550139793 is about 23455.0590065342. The cubic root of 550139793 is about 819.3906801012.

The spelling of 550139793 in words is "five hundred fifty million, one hundred thirty-nine thousand, seven hundred ninety-three".