51840094 has 8 divisors (see below), whose sum is σ = 81852840. Its totient is φ = 24555816.

The previous prime is 51840083. The next prime is 51840101. The reversal of 51840094 is 49004815.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682069 + ... + 682144.

It is an arithmetic number, because the mean of its divisors is an integer number (10231605).

Almost surely, 2^51840094 is an apocalyptic number.

51840094 is a deficient number, since it is larger than the sum of its proper divisors (30012746).

51840094 is a wasteful number, since it uses less digits than its factorization.

51840094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364234.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51840094 is about 7200.0065277748. The cubic root of 51840094 is about 372.8681260846.

The spelling of 51840094 in words is "fifty-one million, eight hundred forty thousand, ninety-four".