50120000 has 140 divisors (see below), whose sum is σ = 142829280. Its totient is φ = 17088000.

The previous prime is 50119991. The next prime is 50120009. The reversal of 50120000 is 2105.

50120000 = T₂₃₁ + T₂₃₂ + ... + T₆₇₈.

It is an interprime number because it is at equal distance from previous prime (50119991) and next prime (50120009).

It is a tau number, because it is divible by the number of its divisors (140).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 50120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50120009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279911 + ... + 280089.

Almost surely, 2^50120000 is an apocalyptic number.

50120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71414640).

50120000 is an abundant number, since it is smaller than the sum of its proper divisors (92709280).

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

50120000 is an equidigital number, since it uses as much as digits as its factorization.

50120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 50120000 is about 7079.5480081711. The cubic root of 50120000 is about 368.6976369198.

Adding to 50120000 its reverse (2105), we get a palindrome (50122105).

The spelling of 50120000 in words is "fifty million, one hundred twenty thousand".