50145408 has 192 divisors, whose sum is σ = 159120000. Its totient is φ = 15095808.

The previous prime is 50145377. The next prime is 50145409. The reversal of 50145408 is 80454105.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (50145409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634713 + ... + 634791.

It is an arithmetic number, because the mean of its divisors is an integer number (828750).

Almost surely, 2^50145408 is an apocalyptic number.

50145408 is a gapful number since it is divisible by the number (58) 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 50145408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79560000).

50145408 is an abundant number, since it is smaller than the sum of its proper divisors (108974592).

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

50145408 is a wasteful number, since it uses less digits than its factorization.

50145408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 50145408 is about 7081.3422456481. The cubic root of 50145408 is about 368.7599293314.

The spelling of 50145408 in words is "fifty million, one hundred forty-five thousand, four hundred eight".