51041091 has 8 divisors (see below), whose sum is σ = 68152320. Its totient is φ = 33978632.

The previous prime is 51041063. The next prime is 51041113. The reversal of 51041091 is 19014015.

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

It is a cyclic number.

It is not a de Polignac number, because 51041091 - 2⁵ = 51041059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51041041) 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, 9675 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (8519040).

Almost surely, 2^51041091 is an apocalyptic number.

51041091 is a deficient number, since it is larger than the sum of its proper divisors (17111229).

51041091 is a wasteful number, since it uses less digits than its factorization.

51041091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24385.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 51041091 is about 7144.3047947299. The cubic root of 51041091 is about 370.9425469793.

The spelling of 51041091 in words is "fifty-one million, forty-one thousand, ninety-one".