53943039387 has 12 divisors (see below), whose sum is σ = 78674207664. Its totient is φ = 35612879760.

The previous prime is 53943039383. The next prime is 53943039389. The reversal of 53943039387 is 78393034935.

53943039387 is a `hidden beast` number, since 539 + 43 + 0 + 39 + 38 + 7 = 666.

It is not a de Polignac number, because 53943039387 - 2² = 53943039383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53943039383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29094564 + ... + 29096417.

It is an arithmetic number, because the mean of its divisors is an integer number (6556183972).

Almost surely, 2^53943039387 is an apocalyptic number.

53943039387 is a deficient number, since it is larger than the sum of its proper divisors (24731168277).

53943039387 is a wasteful number, since it uses less digits than its factorization.

53943039387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58191090 (or 58191087 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 53943039387 in words is "fifty-three billion, nine hundred forty-three million, thirty-nine thousand, three hundred eighty-seven".