50861015 has 4 divisors (see below), whose sum is σ = 61033224. Its totient is φ = 40688808.

The previous prime is 50860993. The next prime is 50861029. The reversal of 50861015 is 51016805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50861015 - 2⁸ = 50860759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086097 + ... + 5086106.

It is an arithmetic number, because the mean of its divisors is an integer number (15258306).

Almost surely, 2^50861015 is an apocalyptic number.

50861015 is a deficient number, since it is larger than the sum of its proper divisors (10172209).

50861015 is a wasteful number, since it uses less digits than its factorization.

50861015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172208.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 50861015 is about 7131.6908934698. The cubic root of 50861015 is about 370.5057971717.

The spelling of 50861015 in words is "fifty million, eight hundred sixty-one thousand, fifteen".