49936478572 has 72 divisors (see below), whose sum is σ = 97412740992. Its totient is φ = 22304839680.

The previous prime is 49936478569. The next prime is 49936478591. The reversal of 49936478572 is 27587463994.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4223493 + ... + 4235299.

It is an arithmetic number, because the mean of its divisors is an integer number (1352954736).

Almost surely, 2^49936478572 is an apocalyptic number.

It is an amenable number.

49936478572 is a deficient number, since it is larger than the sum of its proper divisors (47476262420).

49936478572 is a wasteful number, since it uses less digits than its factorization.

49936478572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947 (or 11904 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

The spelling of 49936478572 in words is "forty-nine billion, nine hundred thirty-six million, four hundred seventy-eight thousand, five hundred seventy-two".