50145538 has 16 divisors (see below), whose sum is σ = 78923520. Its totient is φ = 23864400.

The previous prime is 50145521. The next prime is 50145551. The reversal of 50145538 is 83554105.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2848 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (4932720).

Almost surely, 2^50145538 is an apocalyptic number.

50145538 is a deficient number, since it is larger than the sum of its proper divisors (28777982).

50145538 is a wasteful number, since it uses less digits than its factorization.

50145538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 50145538 is about 7081.3514246929. The cubic root of 50145538 is about 368.7602479963.

The spelling of 50145538 in words is "fifty million, one hundred forty-five thousand, five hundred thirty-eight".