860050551 has 4 divisors (see below), whose sum is σ = 1146734072. Its totient is φ = 573367032.

The previous prime is 860050547. The next prime is 860050573. The reversal of 860050551 is 155050068.

It is a happy number.

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

It is not a de Polignac number, because 860050551 - 2² = 860050547 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 (860050531) 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, 143341756 + ... + 143341761.

It is an arithmetic number, because the mean of its divisors is an integer number (286683518).

Almost surely, 2^860050551 is an apocalyptic number.

860050551 is a deficient number, since it is larger than the sum of its proper divisors (286683521).

860050551 is a wasteful number, since it uses less digits than its factorization.

860050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286683520.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 860050551 is about 29326.6184719616. The cubic root of 860050551 is about 950.9871736581.

The spelling of 860050551 in words is "eight hundred sixty million, fifty thousand, five hundred fifty-one".