51901151 has 8 divisors (see below), whose sum is σ = 53479440. Its totient is φ = 50345152.

The previous prime is 51901117. The next prime is 51901163. The reversal of 51901151 is 15110915.

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 51901151 - 2²² = 47706847 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 (51901181) 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, 785 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (6684930).

Almost surely, 2^51901151 is an apocalyptic number.

51901151 is a deficient number, since it is larger than the sum of its proper divisors (1578289).

51901151 is a wasteful number, since it uses less digits than its factorization.

51901151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145.

The product of its (nonzero) digits is 225, while the sum is 23.

The square root of 51901151 is about 7204.2453456278. The cubic root of 51901151 is about 373.0144560471.

The spelling of 51901151 in words is "fifty-one million, nine hundred one thousand, one hundred fifty-one".