50129782 has 4 divisors (see below), whose sum is σ = 75194676. Its totient is φ = 25064890.

The previous prime is 50129773. The next prime is 50129789. The reversal of 50129782 is 28792105.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50129789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532444 + ... + 12532447.

It is an arithmetic number, because the mean of its divisors is an integer number (18798669).

Almost surely, 2^50129782 is an apocalyptic number.

50129782 is a deficient number, since it is larger than the sum of its proper divisors (25064894).

50129782 is a wasteful number, since it uses less digits than its factorization.

50129782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25064893.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 50129782 is about 7080.2388377794. The cubic root of 50129782 is about 368.7216217939.

The spelling of 50129782 in words is "fifty million, one hundred twenty-nine thousand, seven hundred eighty-two".