51949162 has 8 divisors (see below), whose sum is σ = 78065316. Its totient is φ = 25927392.

The previous prime is 51949159. The next prime is 51949171. The reversal of 51949162 is 26194915.

51949162 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 2 ways, for example, as 45037521 + 6911641 = 6711^2 + 2629^2 .

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

It is a super-4 number, since 4×51949162⁴ (a number of 32 digits) contains 4444 as substring.

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 3 ways as a sum of consecutive naturals, for example, 22203 + ... + 24430.

Almost surely, 2^51949162 is an apocalyptic number.

51949162 is a deficient number, since it is larger than the sum of its proper divisors (26116154).

51949162 is a wasteful number, since it uses less digits than its factorization.

51949162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47192.

The product of its digits is 19440, while the sum is 37.

The square root of 51949162 is about 7207.5767078818. The cubic root of 51949162 is about 373.1294392243.

The spelling of 51949162 in words is "fifty-one million, nine hundred forty-nine thousand, one hundred sixty-two".