51808094 has 16 divisors (see below), whose sum is σ = 86577120. Its totient is φ = 23086560.

The previous prime is 51808091. The next prime is 51808111. The reversal of 51808094 is 49080815.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51808091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33602 + ... + 35109.

It is an arithmetic number, because the mean of its divisors is an integer number (5411070).

Almost surely, 2^51808094 is an apocalyptic number.

51808094 is a deficient number, since it is larger than the sum of its proper divisors (34769026).

51808094 is a wasteful number, since it uses less digits than its factorization.

51808094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68755.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 51808094 is about 7197.7839645269. The cubic root of 51808094 is about 372.7913885953.

The spelling of 51808094 in words is "fifty-one million, eight hundred eight thousand, ninety-four".