51499094 has 16 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 25236264.

The previous prime is 51499087. The next prime is 51499109. The reversal of 51499094 is 49099415.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71267 + ... + 71985.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2^51499094 is an apocalyptic number.

51499094 is a deficient number, since it is larger than the sum of its proper divisors (27297706).

51499094 is a wasteful number, since it uses less digits than its factorization.

51499094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 51499094 is about 7176.2869229149. The cubic root of 51499094 is about 372.0487612884.

The spelling of 51499094 in words is "fifty-one million, four hundred ninety-nine thousand, ninety-four".