51954195 has 16 divisors (see below), whose sum is σ = 84062880. Its totient is φ = 27396864.

The previous prime is 51954181. The next prime is 51954197. The reversal of 51954195 is 59145915.

It is not a de Polignac number, because 51954195 - 2⁵ = 51954163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51954197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18124 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (5253930).

Almost surely, 2^51954195 is an apocalyptic number.

51954195 is a deficient number, since it is larger than the sum of its proper divisors (32108685).

51954195 is a wasteful number, since it uses less digits than its factorization.

51954195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39014.

The product of its digits is 40500, while the sum is 39.

The square root of 51954195 is about 7207.9258459005. The cubic root of 51954195 is about 373.1414888241.

The spelling of 51954195 in words is "fifty-one million, nine hundred fifty-four thousand, one hundred ninety-five".