51871502 has 16 divisors (see below), whose sum is σ = 80974080. Its totient is φ = 24900792.

The previous prime is 51871493. The next prime is 51871507. The reversal of 51871502 is 20517815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51871507) 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, 38 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (5060880).

Almost surely, 2^51871502 is an apocalyptic number.

51871502 is a deficient number, since it is larger than the sum of its proper divisors (29102578).

51871502 is a wasteful number, since it uses less digits than its factorization.

51871502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 51871502 is about 7202.1873066451. The cubic root of 51871502 is about 372.9434132282.

The spelling of 51871502 in words is "fifty-one million, eight hundred seventy-one thousand, five hundred two".