51196842 has 12 divisors (see below), whose sum is σ = 110926530. Its totient is φ = 17065608.

The previous prime is 51196813. The next prime is 51196853. The reversal of 51196842 is 24869115.

51196842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50424201 + 772641 = 7101^2 + 879^2 .

It is a super-2 number, since 2×51196842² = 5242233261545928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51196797 and 51196806.

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 5 ways as a sum of consecutive naturals, for example, 1422117 + ... + 1422152.

Almost surely, 2^51196842 is an apocalyptic number.

51196842 is an abundant number, since it is smaller than the sum of its proper divisors (59729688).

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

51196842 is a wasteful number, since it uses less digits than its factorization.

51196842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844277 (or 2844274 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 51196842 is about 7155.1968526379. The cubic root of 51196842 is about 371.3194720854.

The spelling of 51196842 in words is "fifty-one million, one hundred ninety-six thousand, eight hundred forty-two".