50142657 has 8 divisors (see below), whose sum is σ = 67207680. Its totient is φ = 33253040.

The previous prime is 50142649. The next prime is 50142667. The reversal of 50142657 is 75624105.

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

It is a cyclic number.

It is not a de Polignac number, because 50142657 - 2³ = 50142649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50142637) 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, 43182 + ... + 44327.

It is an arithmetic number, because the mean of its divisors is an integer number (8400960).

Almost surely, 2^50142657 is an apocalyptic number.

It is an amenable number.

50142657 is a deficient number, since it is larger than the sum of its proper divisors (17065023).

50142657 is a wasteful number, since it uses less digits than its factorization.

50142657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87703.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 50142657 is about 7081.1480001480. The cubic root of 50142657 is about 368.7531857620.

The spelling of 50142657 in words is "fifty million, one hundred forty-two thousand, six hundred fifty-seven".