550616951 has 4 divisors (see below), whose sum is σ = 552195000. Its totient is φ = 549038904.

The previous prime is 550616929. The next prime is 550616977. The reversal of 550616951 is 159616055.

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 550616951 - 2⁶ = 550616887 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 (550616051) 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, 788501 + ... + 789198.

It is an arithmetic number, because the mean of its divisors is an integer number (138048750).

Almost surely, 2^550616951 is an apocalyptic number.

550616951 is a deficient number, since it is larger than the sum of its proper divisors (1578049).

550616951 is a wasteful number, since it uses less digits than its factorization.

550616951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578048.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 550616951 is about 23465.2285520512. The cubic root of 550616951 is about 819.6275082919.

The spelling of 550616951 in words is "five hundred fifty million, six hundred sixteen thousand, nine hundred fifty-one".