51167156 has 6 divisors (see below), whose sum is σ = 89542530. Its totient is φ = 25583576.

The previous prime is 51167153. The next prime is 51167173. The reversal of 51167156 is 65176115.

It can be written as a sum of positive squares in only one way, i.e., 49477156 + 1690000 = 7034^2 + 1300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51167153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395891 + ... + 6395898.

It is an arithmetic number, because the mean of its divisors is an integer number (14923755).

Almost surely, 2^51167156 is an apocalyptic number.

It is an amenable number.

51167156 is a deficient number, since it is larger than the sum of its proper divisors (38375374).

51167156 is a wasteful number, since it uses less digits than its factorization.

51167156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12791793 (or 12791791 counting only the distinct ones).

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

The square root of 51167156 is about 7153.1221155521. The cubic root of 51167156 is about 371.2476895260.

The spelling of 51167156 in words is "fifty-one million, one hundred sixty-seven thousand, one hundred fifty-six".