50158920 has 128 divisors (see below), whose sum is σ = 173399040. Its totient is φ = 11370240.

The previous prime is 50158919. The next prime is 50158921. The reversal of 50158920 is 2985105.

50158920 = T₁₀₅ + T₁₀₆ + ... + T₆₇₀.

It is an interprime number because it is at equal distance from previous prime (50158919) and next prime (50158921).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50158921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177099 + ... + 177381.

It is an arithmetic number, because the mean of its divisors is an integer number (1354680).

Almost surely, 2^50158920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50158920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86699520).

50158920 is an abundant number, since it is smaller than the sum of its proper divisors (123240120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50158920 is a wasteful number, since it uses less digits than its factorization.

50158920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 50158920 is about 7082.2962378031. The cubic root of 50158920 is about 368.7930479285.

The spelling of 50158920 in words is "fifty million, one hundred fifty-eight thousand, nine hundred twenty".