51150291 has 8 divisors (see below), whose sum is σ = 68262864. Its totient is φ = 34068960.

The previous prime is 51150271. The next prime is 51150293. The reversal of 51150291 is 19205115.

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

It is not a de Polignac number, because 51150291 - 2¹¹ = 51148243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51150293) 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, 3676 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (8532858).

Almost surely, 2^51150291 is an apocalyptic number.

51150291 is a deficient number, since it is larger than the sum of its proper divisors (17112573).

51150291 is a wasteful number, since it uses less digits than its factorization.

51150291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 51150291 is about 7151.9431625258. The cubic root of 51150291 is about 371.2068965591.

The spelling of 51150291 in words is "fifty-one million, one hundred fifty thousand, two hundred ninety-one".