51161468 has 12 divisors (see below), whose sum is σ = 90869352. Its totient is φ = 25198800.

The previous prime is 51161459. The next prime is 51161479. The reversal of 51161468 is 86416115.

51161468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 95183 + ... + 95718.

It is an arithmetic number, because the mean of its divisors is an integer number (7572446).

Almost surely, 2^51161468 is an apocalyptic number.

It is an amenable number.

51161468 is a deficient number, since it is larger than the sum of its proper divisors (39707884).

51161468 is a wasteful number, since it uses less digits than its factorization.

51161468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190972 (or 190970 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 51161468 is about 7152.7245158751. The cubic root of 51161468 is about 371.2339324256.

The spelling of 51161468 in words is "fifty-one million, one hundred sixty-one thousand, four hundred sixty-eight".