50157902 has 4 divisors (see below), whose sum is σ = 75236856. Its totient is φ = 25078950.

The previous prime is 50157901. The next prime is 50157923. The reversal of 50157902 is 20975105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20975105 = 5 ⋅4195021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50157901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12539474 + ... + 12539477.

It is an arithmetic number, because the mean of its divisors is an integer number (18809214).

Almost surely, 2^50157902 is an apocalyptic number.

50157902 is a deficient number, since it is larger than the sum of its proper divisors (25078954).

50157902 is a wasteful number, since it uses less digits than its factorization.

50157902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25078953.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 50157902 is about 7082.2243680923. The cubic root of 50157902 is about 368.7905529661.

The spelling of 50157902 in words is "fifty million, one hundred fifty-seven thousand, nine hundred two".