51093942 has 16 divisors (see below), whose sum is σ = 108199152. Its totient is φ = 16029440.

The previous prime is 51093937. The next prime is 51093953. The reversal of 51093942 is 24939015.

51093942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51093942² = 5221181818198728, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 250359 + ... + 250562.

It is an arithmetic number, because the mean of its divisors is an integer number (6762447).

Almost surely, 2^51093942 is an apocalyptic number.

51093942 is an abundant number, since it is smaller than the sum of its proper divisors (57105210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51093942 is a wasteful number, since it uses less digits than its factorization.

51093942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500943.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 51093942 is about 7148.0026580857. The cubic root of 51093942 is about 371.0705348510.

The spelling of 51093942 in words is "fifty-one million, ninety-three thousand, nine hundred forty-two".