50129870 has 32 divisors (see below), whose sum is σ = 103370688. Its totient is φ = 17146368.

The previous prime is 50129867. The next prime is 50129879. The reversal of 50129870 is 7892105.

It is an alternating number because its digits alternate between odd and even.

50129870 is a modest number, since divided by 129870 gives 50 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50129879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50822 + ... + 51798.

It is an arithmetic number, because the mean of its divisors is an integer number (3230334).

Almost surely, 2^50129870 is an apocalyptic number.

50129870 is an abundant number, since it is smaller than the sum of its proper divisors (53240818).

50129870 is a wasteful number, since it uses less digits than its factorization.

50129870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 50129870 is about 7080.2450522563. The cubic root of 50129870 is about 368.7218375504.

The spelling of 50129870 in words is "fifty million, one hundred twenty-nine thousand, eight hundred seventy".