51610147 has 16 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 47279232.

The previous prime is 51610123. The next prime is 51610171. The reversal of 51610147 is 74101615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51610123) and next prime (51610171).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51610147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51610177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111238 + ... + 111700.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^51610147 is an apocalyptic number.

51610147 is a deficient number, since it is larger than the sum of its proper divisors (4515293).

51610147 is a wasteful number, since it uses less digits than its factorization.

51610147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 51610147 is about 7184.0202533122. The cubic root of 51610147 is about 372.3159987908.

The spelling of 51610147 in words is "fifty-one million, six hundred ten thousand, one hundred forty-seven".