50149640 has 16 divisors (see below), whose sum is σ = 112836780. Its totient is φ = 20059840.

The previous prime is 50149621. The next prime is 50149657. The reversal of 50149640 is 4694105.

50149640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42276004 + 7873636 = 6502^2 + 2806^2 .

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 3 ways as a sum of consecutive naturals, for example, 626831 + ... + 626910.

Almost surely, 2^50149640 is an apocalyptic number.

It is an amenable number.

50149640 is an abundant number, since it is smaller than the sum of its proper divisors (62687140).

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

50149640 is a wasteful number, since it uses less digits than its factorization.

50149640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253752 (or 1253748 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 50149640 is about 7081.6410527504. The cubic root of 50149640 is about 368.7703028178.

The spelling of 50149640 in words is "fifty million, one hundred forty-nine thousand, six hundred forty".