50561015 has 8 divisors (see below), whose sum is σ = 63311328. Its totient is φ = 38690080.

The previous prime is 50561011. The next prime is 50561029. The reversal of 50561015 is 51016505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50561015 - 2² = 50561011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219716 + ... + 219945.

It is an arithmetic number, because the mean of its divisors is an integer number (7913916).

Almost surely, 2^50561015 is an apocalyptic number.

50561015 is a deficient number, since it is larger than the sum of its proper divisors (12750313).

50561015 is a wasteful number, since it uses less digits than its factorization.

50561015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439689.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 50561015 is about 7110.6269062580. The cubic root of 50561015 is about 369.7758930185.

The spelling of 50561015 in words is "fifty million, five hundred sixty-one thousand, fifteen".