51172010 has 32 divisors (see below), whose sum is σ = 99228672. Its totient is φ = 18944640.

The previous prime is 51172007. The next prime is 51172019. The reversal of 51172010 is 1027115.

It is a self number, because there is not a number n which added to its sum of digits gives 51172010.

It is not an unprimeable number, because it can be changed into a prime (51172019) 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, 3542 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (3100896).

Almost surely, 2^51172010 is an apocalyptic number.

51172010 is a deficient number, since it is larger than the sum of its proper divisors (48056662).

51172010 is a wasteful number, since it uses less digits than its factorization.

51172010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 51172010 is about 7153.4613999098. The cubic root of 51172010 is about 371.2594286926.

Adding to 51172010 its reverse (1027115), we get a palindrome (52199125).

The spelling of 51172010 in words is "fifty-one million, one hundred seventy-two thousand, ten".