51969094 has 4 divisors (see below), whose sum is σ = 77953644. Its totient is φ = 25984546.

The previous prime is 51969079. The next prime is 51969103. The reversal of 51969094 is 49096915.

51969094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51969094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12992272 + ... + 12992275.

It is an arithmetic number, because the mean of its divisors is an integer number (19488411).

Almost surely, 2^51969094 is an apocalyptic number.

51969094 is a deficient number, since it is larger than the sum of its proper divisors (25984550).

51969094 is a wasteful number, since it uses less digits than its factorization.

51969094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25984549.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 51969094 is about 7208.9592868874. The cubic root of 51969094 is about 373.1771542385.

The spelling of 51969094 in words is "fifty-one million, nine hundred sixty-nine thousand, ninety-four".