50781465 has 128 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 20901888.

The previous prime is 50781443. The next prime is 50781517. The reversal of 50781465 is 56418705.

50781465 is a `hidden beast` number, since 507 + 8 + 146 + 5 = 666.

50781465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50781465 - 2¹⁰ = 50780441 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 465831 + ... + 465939.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^50781465 is an apocalyptic number.

It is an amenable number.

50781465 is an abundant number, since it is smaller than the sum of its proper divisors (63266535).

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

50781465 is a wasteful number, since it uses less digits than its factorization.

50781465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 50781465 is about 7126.1114922516. Note that the first 3 decimals coincide. The cubic root of 50781465 is about 370.3125311649.

The spelling of 50781465 in words is "fifty million, seven hundred eighty-one thousand, four hundred sixty-five".