50115450 has 96 divisors (see below), whose sum is σ = 154990080. Its totient is φ = 10411200.

The previous prime is 50115409. The next prime is 50115463. The reversal of 50115450 is 5451105.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9381 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (1614480).

Almost surely, 2^50115450 is an apocalyptic number.

50115450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50115450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77495040).

50115450 is an abundant number, since it is smaller than the sum of its proper divisors (104874630).

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

50115450 is a wasteful number, since it uses less digits than its factorization.

50115450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 50115450 is about 7079.2266526789. The cubic root of 50115450 is about 368.6864795307.

Adding to 50115450 its reverse (5451105), we get a palindrome (55566555).

It can be divided in two parts, 501 and 15450, that added together give a palindrome (15951).

The spelling of 50115450 in words is "fifty million, one hundred fifteen thousand, four hundred fifty".