55836342378 has 48 divisors (see below), whose sum is σ = 127387197600. Its totient is φ = 17626831200.

The previous prime is 55836342377. The next prime is 55836342389. The reversal of 55836342378 is 87324363855.

It is a happy number.

55836342378 is a `hidden beast` number, since 5 + 583 + 6 + 34 + 23 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (55836342371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104213 + ... + 1153671.

It is an arithmetic number, because the mean of its divisors is an integer number (2653899950).

Almost surely, 2^55836342378 is an apocalyptic number.

55836342378 is an abundant number, since it is smaller than the sum of its proper divisors (71550855222).

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

55836342378 is a wasteful number, since it uses less digits than its factorization.

55836342378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52787 (or 52784 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 55836342378 in words is "fifty-five billion, eight hundred thirty-six million, three hundred forty-two thousand, three hundred seventy-eight".