53938849851 has 12 divisors (see below), whose sum is σ = 79723571928. Its totient is φ = 35122971744.

The previous prime is 53938849819. The next prime is 53938849871. The reversal of 53938849851 is 15894883935.

53938849851 is a `hidden beast` number, since 5 + 3 + 93 + 8 + 8 + 498 + 51 = 666.

It is not a de Polignac number, because 53938849851 - 2⁵ = 53938849819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53938849871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69688050 + ... + 69688823.

It is an arithmetic number, because the mean of its divisors is an integer number (6643630994).

Almost surely, 2^53938849851 is an apocalyptic number.

53938849851 is a deficient number, since it is larger than the sum of its proper divisors (25784722077).

53938849851 is a wasteful number, since it uses less digits than its factorization.

53938849851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139376922 (or 139376919 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 53938849851 in words is "fifty-three billion, nine hundred thirty-eight million, eight hundred forty-nine thousand, eight hundred fifty-one".