50157644 has 24 divisors (see below), whose sum is σ = 94898160. Its totient is φ = 23115456.

The previous prime is 50157631. The next prime is 50157661. The reversal of 50157644 is 44675105.

It is a self number, because there is not a number n which added to its sum of digits gives 50157644.

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, 6107 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (3954090).

Almost surely, 2^50157644 is an apocalyptic number.

It is an amenable number.

50157644 is a deficient number, since it is larger than the sum of its proper divisors (44740516).

50157644 is a wasteful number, since it uses less digits than its factorization.

50157644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17897 (or 17895 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 50157644 is about 7082.2061534525. The cubic root of 50157644 is about 368.7899206422.

The spelling of 50157644 in words is "fifty million, one hundred fifty-seven thousand, six hundred forty-four".