50478861 has 16 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 32718000.

The previous prime is 50478853. The next prime is 50478863. The reversal of 50478861 is 16887405.

It is not a de Polignac number, because 50478861 - 2³ = 50478853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31600 + ... + 33158.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^50478861 is an apocalyptic number.

It is an amenable number.

50478861 is a deficient number, since it is larger than the sum of its proper divisors (18710259).

50478861 is a wasteful number, since it uses less digits than its factorization.

50478861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 50478861 is about 7104.8477112462. The cubic root of 50478861 is about 369.5755078198.

The spelling of 50478861 in words is "fifty million, four hundred seventy-eight thousand, eight hundred sixty-one".