650056551 has 8 divisors (see below), whose sum is σ = 872060160. Its totient is φ = 430711992.

The previous prime is 650056549. The next prime is 650056553. The reversal of 650056551 is 155650056.

It is an interprime number because it is at equal distance from previous prime (650056549) and next prime (650056553).

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

It is not a de Polignac number, because 650056551 - 2¹ = 650056549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650056553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664191 + ... + 665168.

It is an arithmetic number, because the mean of its divisors is an integer number (109007520).

Almost surely, 2^650056551 is an apocalyptic number.

650056551 is a deficient number, since it is larger than the sum of its proper divisors (222003609).

650056551 is a wasteful number, since it uses less digits than its factorization.

650056551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329525.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 650056551 is about 25496.2066001984. The cubic root of 650056551 is about 866.2642259907.

The spelling of 650056551 in words is "six hundred fifty million, fifty-six thousand, five hundred fifty-one".