51426146 has 16 divisors (see below), whose sum is σ = 78094368. Its totient is φ = 25396800.

The previous prime is 51426143. The next prime is 51426157. The reversal of 51426146 is 64162415.

It is not an unprimeable number, because it can be changed into a prime (51426143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86426 + ... + 87018.

It is an arithmetic number, because the mean of its divisors is an integer number (4880898).

Almost surely, 2^51426146 is an apocalyptic number.

51426146 is a deficient number, since it is larger than the sum of its proper divisors (26668222).

51426146 is a wasteful number, since it uses less digits than its factorization.

51426146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 5760, while the sum is 29.

The square root of 51426146 is about 7171.2025490848. The cubic root of 51426146 is about 371.8730103794.

The spelling of 51426146 in words is "fifty-one million, four hundred twenty-six thousand, one hundred forty-six".