50961587 has 4 divisors (see below), whose sum is σ = 50978136. Its totient is φ = 50945040.

The previous prime is 50961577. The next prime is 50961611. The reversal of 50961587 is 78516905.

50961587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50961587 - 2⁶ = 50961523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50961517) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2138 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (12744534).

Almost surely, 2^50961587 is an apocalyptic number.

50961587 is a deficient number, since it is larger than the sum of its proper divisors (16549).

50961587 is a wasteful number, since it uses less digits than its factorization.

50961587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16548.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 50961587 is about 7138.7384739882. The cubic root of 50961587 is about 370.7498477159.

The spelling of 50961587 in words is "fifty million, nine hundred sixty-one thousand, five hundred eighty-seven".