50781426 has 16 divisors (see below), whose sum is σ = 102295200. Its totient is φ = 16805088.

The previous prime is 50781373. The next prime is 50781439. The reversal of 50781426 is 62418705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29611 + ... + 31278.

It is an arithmetic number, because the mean of its divisors is an integer number (6393450).

Almost surely, 2^50781426 is an apocalyptic number.

50781426 is an abundant number, since it is smaller than the sum of its proper divisors (51513774).

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

50781426 is a wasteful number, since it uses less digits than its factorization.

50781426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61033.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 50781426 is about 7126.1087558358. The cubic root of 50781426 is about 370.3124363652.

The spelling of 50781426 in words is "fifty million, seven hundred eighty-one thousand, four hundred twenty-six".