55808078352 has 160 divisors (see below), whose sum is σ = 162468934656. Its totient is φ = 16389734400.

The previous prime is 55808078303. The next prime is 55808078353. The reversal of 55808078352 is 25387080855.

It is a happy number.

It is a super-2 number, since 2×55808078352² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55808078295 and 55808078304.

It is not an unprimeable number, because it can be changed into a prime (55808078353) 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 31 ways as a sum of consecutive naturals, for example, 1392352 + ... + 1431872.

Almost surely, 2^55808078352 is an apocalyptic number.

55808078352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55808078352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81234467328).

55808078352 is an abundant number, since it is smaller than the sum of its proper divisors (106660856304).

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

55808078352 is a wasteful number, since it uses less digits than its factorization.

55808078352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39649 (or 39643 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 55808078352 in words is "fifty-five billion, eight hundred eight million, seventy-eight thousand, three hundred fifty-two".