550152311 has 4 divisors (see below), whose sum is σ = 550987800. Its totient is φ = 549316824.

The previous prime is 550152299. The next prime is 550152347. The reversal of 550152311 is 113251055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550152311 - 2¹⁸ = 549890167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550155311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416756 + ... + 418073.

It is an arithmetic number, because the mean of its divisors is an integer number (137746950).

Almost surely, 2^550152311 is an apocalyptic number.

550152311 is a deficient number, since it is larger than the sum of its proper divisors (835489).

550152311 is an equidigital number, since it uses as much as digits as its factorization.

550152311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835488.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 550152311 is about 23455.3258557625. The cubic root of 550152311 is about 819.3968949184.

The spelling of 550152311 in words is "five hundred fifty million, one hundred fifty-two thousand, three hundred eleven".