51047151 has 8 divisors (see below), whose sum is σ = 68269824. Its totient is φ = 33927960.

The previous prime is 51047147. The next prime is 51047177. The reversal of 51047151 is 15174015.

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

It is not a de Polignac number, because 51047151 - 2² = 51047147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51047551) 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, 24711 + ... + 26696.

It is an arithmetic number, because the mean of its divisors is an integer number (8533728).

Almost surely, 2^51047151 is an apocalyptic number.

51047151 is a deficient number, since it is larger than the sum of its proper divisors (17222673).

51047151 is a wasteful number, since it uses less digits than its factorization.

51047151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51741.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 51047151 is about 7144.7288961863. The cubic root of 51047151 is about 370.9572268045.

The spelling of 51047151 in words is "fifty-one million, forty-seven thousand, one hundred fifty-one".