50145450 has 48 divisors (see below), whose sum is σ = 125542560. Its totient is φ = 13245120.

The previous prime is 50145409. The next prime is 50145493. The reversal of 50145450 is 5454105.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50145450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14817 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (2615470).

Almost surely, 2^50145450 is an apocalyptic number.

50145450 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 50145450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62771280).

50145450 is an abundant number, since it is smaller than the sum of its proper divisors (75397110).

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

50145450 is a wasteful number, since it uses less digits than its factorization.

50145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 50145450 is about 7081.3452111869. The cubic root of 50145450 is about 368.7600322848.

Adding to 50145450 its reverse (5454105), we get a palindrome (55599555).

The spelling of 50145450 in words is "fifty million, one hundred forty-five thousand, four hundred fifty".