51156195 has 16 divisors (see below), whose sum is σ = 81948672. Its totient is φ = 27250400.

The previous prime is 51156181. The next prime is 51156241. The reversal of 51156195 is 59165115.

It is not a de Polignac number, because 51156195 - 2⁷ = 51156067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15784 + ... + 18746.

It is an arithmetic number, because the mean of its divisors is an integer number (5121792).

Almost surely, 2^51156195 is an apocalyptic number.

51156195 is a deficient number, since it is larger than the sum of its proper divisors (30792477).

51156195 is a wasteful number, since it uses less digits than its factorization.

51156195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

The product of its digits is 6750, while the sum is 33.

The square root of 51156195 is about 7152.3559055741. The cubic root of 51156195 is about 371.2211781409.

The spelling of 51156195 in words is "fifty-one million, one hundred fifty-six thousand, one hundred ninety-five".