55760509138 has 32 divisors (see below), whose sum is σ = 86461966080. Its totient is φ = 26953011840.

The previous prime is 55760509121. The next prime is 55760509139. The reversal of 55760509138 is 83190506755.

It is a junction number, because it is equal to n+sod(n) for n = 55760509091 and 55760509100.

It is not an unprimeable number, because it can be changed into a prime (55760509139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6344295 + ... + 6353077.

It is an arithmetic number, because the mean of its divisors is an integer number (2701936440).

Almost surely, 2^55760509138 is an apocalyptic number.

55760509138 is a deficient number, since it is larger than the sum of its proper divisors (30701456942).

55760509138 is a wasteful number, since it uses less digits than its factorization.

55760509138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 55760509138 in words is "fifty-five billion, seven hundred sixty million, five hundred nine thousand, one hundred thirty-eight".