50142665 has 8 divisors (see below), whose sum is σ = 60442368. Its totient is φ = 39933360.

The previous prime is 50142649. The next prime is 50142667. The reversal of 50142665 is 56624105.

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

It is not a de Polignac number, because 50142665 - 2⁴ = 50142649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50142667) 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, 21371 + ... + 23600.

It is an arithmetic number, because the mean of its divisors is an integer number (7555296).

Almost surely, 2^50142665 is an apocalyptic number.

It is an amenable number.

50142665 is a deficient number, since it is larger than the sum of its proper divisors (10299703).

50142665 is a wasteful number, since it uses less digits than its factorization.

50142665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45199.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 50142665 is about 7081.1485650281. The cubic root of 50142665 is about 368.7532053729.

The spelling of 50142665 in words is "fifty million, one hundred forty-two thousand, six hundred sixty-five".