59454978138 has 24 divisors (see below), whose sum is σ = 131961050676. Its totient is φ = 19334952000.

The previous prime is 59454978133. The next prime is 59454978197. The reversal of 59454978138 is 83187945495.

59454978138 is a `hidden beast` number, since 5 + 9 + 4 + 5 + 497 + 8 + 138 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50394413169 + 9060564969 = 224487^2 + 95187^2 .

It is not an unprimeable number, because it can be changed into a prime (59454978131) 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, 40280413 + ... + 40281888.

Almost surely, 2^59454978138 is an apocalyptic number.

59454978138 is an abundant number, since it is smaller than the sum of its proper divisors (72506072538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59454978138 is a wasteful number, since it uses less digits than its factorization.

59454978138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80562350 (or 80562347 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 59454978138 in words is "fifty-nine billion, four hundred fifty-four million, nine hundred seventy-eight thousand, one hundred thirty-eight".