51009095 has 16 divisors (see below), whose sum is σ = 64981440. Its totient is φ = 38306304.

The previous prime is 51009083. The next prime is 51009097. The reversal of 51009095 is 59090015.

It is not a de Polignac number, because 51009095 - 2⁶ = 51009031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51009097) 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, 55046 + ... + 55964.

It is an arithmetic number, because the mean of its divisors is an integer number (4061340).

Almost surely, 2^51009095 is an apocalyptic number.

51009095 is a deficient number, since it is larger than the sum of its proper divisors (13972345).

51009095 is a wasteful number, since it uses less digits than its factorization.

51009095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 51009095 is about 7142.0651775239. The cubic root of 51009095 is about 370.8650201711.

The spelling of 51009095 in words is "fifty-one million, nine thousand, ninety-five".