51090346 has 16 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 24845920.

The previous prime is 51090331. The next prime is 51090349. The reversal of 51090346 is 64309015.

51090346 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 2×51090346² = 5220446908799432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51090349) by changing a digit.

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, 33615 + ... + 35101.

It is an arithmetic number, because the mean of its divisors is an integer number (4921560).

Almost surely, 2^51090346 is an apocalyptic number.

51090346 is a deficient number, since it is larger than the sum of its proper divisors (27654614).

51090346 is a wasteful number, since it uses less digits than its factorization.

51090346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 51090346 is about 7147.7511148612. The cubic root of 51090346 is about 371.0618293118.

The spelling of 51090346 in words is "fifty-one million, ninety thousand, three hundred forty-six".