51409159 has 8 divisors (see below), whose sum is σ = 52164000. Its totient is φ = 50658432.

The previous prime is 51409133. The next prime is 51409177. The reversal of 51409159 is 95190415.

It is a happy number.

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 51409159 - 2¹³ = 51400967 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 (51409759) 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, 31147 + ... + 32755.

It is an arithmetic number, because the mean of its divisors is an integer number (6520500).

Almost surely, 2^51409159 is an apocalyptic number.

51409159 is a deficient number, since it is larger than the sum of its proper divisors (754841).

51409159 is a wasteful number, since it uses less digits than its factorization.

51409159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 51409159 is about 7170.0180613441. The cubic root of 51409159 is about 371.8320603764.

The spelling of 51409159 in words is "fifty-one million, four hundred nine thousand, one hundred fifty-nine".