51747051 has 8 divisors (see below), whose sum is σ = 72627520. Its totient is φ = 32682312.

The previous prime is 51747037. The next prime is 51747067. The reversal of 51747051 is 15074715.

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

It is not a de Polignac number, because 51747051 - 2⁷ = 51746923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51747151) 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, 453865 + ... + 453978.

It is an arithmetic number, because the mean of its divisors is an integer number (9078440).

Almost surely, 2^51747051 is an apocalyptic number.

51747051 is a deficient number, since it is larger than the sum of its proper divisors (20880469).

51747051 is a wasteful number, since it uses less digits than its factorization.

51747051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907865.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 51747051 is about 7193.5423123799. The cubic root of 51747051 is about 372.6449169639.

The spelling of 51747051 in words is "fifty-one million, seven hundred forty-seven thousand, fifty-one".