51671704 has 32 divisors (see below), whose sum is σ = 117240480. Its totient is φ = 20841984.

The previous prime is 51671689. The next prime is 51671713. The reversal of 51671704 is 40717615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26187 + ... + 28090.

It is an arithmetic number, because the mean of its divisors is an integer number (3663765).

Almost surely, 2^51671704 is an apocalyptic number.

It is an amenable number.

51671704 is an abundant number, since it is smaller than the sum of its proper divisors (65568776).

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

51671704 is a wasteful number, since it uses less digits than its factorization.

51671704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54307 (or 54303 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 51671704 is about 7188.3032768519. The cubic root of 51671704 is about 372.4639642031.

The spelling of 51671704 in words is "fifty-one million, six hundred seventy-one thousand, seven hundred four".