50145040 has 40 divisors (see below), whose sum is σ = 127188288. Its totient is φ = 18234240.

The previous prime is 50144999. The next prime is 50145079. The reversal of 50145040 is 4054105.

50145040 = 188² + 189² + ... + 539².

50145040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 50144999 and 50145017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27612 + ... + 29371.

Almost surely, 2^50145040 is an apocalyptic number.

It is an amenable number.

50145040 is an abundant number, since it is smaller than the sum of its proper divisors (77043248).

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

50145040 is a wasteful number, since it uses less digits than its factorization.

50145040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57007 (or 57001 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50145040 is about 7081.3162618259. The cubic root of 50145040 is about 368.7590272615.

Adding to 50145040 its reverse (4054105), we get a palindrome (54199145).

The spelling of 50145040 in words is "fifty million, one hundred forty-five thousand, forty".