51871734 has 24 divisors (see below), whose sum is σ = 112523112. Its totient is φ = 17269920.

The previous prime is 51871733. The next prime is 51871751. The reversal of 51871734 is 43717815.

51871734 is a `hidden beast` number, since 518 + 71 + 73 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51871733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24789 + ... + 26799.

It is an arithmetic number, because the mean of its divisors is an integer number (4688463).

Almost surely, 2^51871734 is an apocalyptic number.

51871734 is an abundant number, since it is smaller than the sum of its proper divisors (60651378).

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

51871734 is a wasteful number, since it uses less digits than its factorization.

51871734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452 (or 3449 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 51871734 is about 7202.2034128453. The cubic root of 51871734 is about 372.9439692351.

The spelling of 51871734 in words is "fifty-one million, eight hundred seventy-one thousand, seven hundred thirty-four".