550156765 has 8 divisors (see below), whose sum is σ = 670042080. Its totient is φ = 433556112.

The previous prime is 550156751. The next prime is 550156853. The reversal of 550156765 is 567651055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550156765 - 2²⁷ = 415939037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820795 + ... + 821464.

It is an arithmetic number, because the mean of its divisors is an integer number (83755260).

Almost surely, 2^550156765 is an apocalyptic number.

It is an amenable number.

550156765 is a deficient number, since it is larger than the sum of its proper divisors (119885315).

550156765 is a wasteful number, since it uses less digits than its factorization.

550156765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642331.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 550156765 is about 23455.4208020236. The cubic root of 550156765 is about 819.3991061751.

The spelling of 550156765 in words is "five hundred fifty million, one hundred fifty-six thousand, seven hundred sixty-five".