54389750139 has 48 divisors (see below), whose sum is σ = 88188721920. Its totient is φ = 32133335040.

The previous prime is 54389750137. The next prime is 54389750141. The reversal of 54389750139 is 93105798345.

54389750139 is a `hidden beast` number, since 5 + 43 + 8 + 97 + 501 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (54389750137) and next prime (54389750141).

It is not a de Polignac number, because 54389750139 - 2¹ = 54389750137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54389750137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20527 + ... + 330455.

It is an arithmetic number, because the mean of its divisors is an integer number (1837265040).

Almost surely, 2^54389750139 is an apocalyptic number.

54389750139 is a deficient number, since it is larger than the sum of its proper divisors (33798971781).

54389750139 is a wasteful number, since it uses less digits than its factorization.

54389750139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310020 (or 310017 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 54389750139 in words is "fifty-four billion, three hundred eighty-nine million, seven hundred fifty thousand, one hundred thirty-nine".