51671156 has 48 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 23506560.

The previous prime is 51671153. The next prime is 51671201. The reversal of 51671156 is 65117615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51671153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 285386 + ... + 285566.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^51671156 is an apocalyptic number.

It is an amenable number.

51671156 is a deficient number, since it is larger than the sum of its proper divisors (47395084).

51671156 is a wasteful number, since it uses less digits than its factorization.

51671156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 51671156 is about 7188.2651592717. The cubic root of 51671156 is about 372.4626474865.

The spelling of 51671156 in words is "fifty-one million, six hundred seventy-one thousand, one hundred fifty-six".