51717102 has 16 divisors (see below), whose sum is σ = 104501712. Its totient is φ = 17061120.

The previous prime is 51717101. The next prime is 51717119. The reversal of 51717102 is 20171715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51717101) 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, 43849 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (6531357).

Almost surely, 2^51717102 is an apocalyptic number.

51717102 is an abundant number, since it is smaller than the sum of its proper divisors (52784610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51717102 is a wasteful number, since it uses less digits than its factorization.

51717102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88963.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 51717102 is about 7191.4603523902. The cubic root of 51717102 is about 372.5730127289.

Adding to 51717102 its reverse (20171715), we get a palindrome (71888817).

The spelling of 51717102 in words is "fifty-one million, seven hundred seventeen thousand, one hundred two".