50861995 has 4 divisors (see below), whose sum is σ = 61034400. Its totient is φ = 40689592.

The previous prime is 50861989. The next prime is 50861999. The reversal of 50861995 is 59916805.

It is a happy number.

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 50861995 - 2¹⁵ = 50829227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50861999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086195 + ... + 5086204.

It is an arithmetic number, because the mean of its divisors is an integer number (15258600).

Almost surely, 2^50861995 is an apocalyptic number.

50861995 is a deficient number, since it is larger than the sum of its proper divisors (10172405).

50861995 is a wasteful number, since it uses less digits than its factorization.

50861995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172404.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 50861995 is about 7131.7596005474. The cubic root of 50861995 is about 370.5081768159.

The spelling of 50861995 in words is "fifty million, eight hundred sixty-one thousand, nine hundred ninety-five".