55682081910 has 768 divisors, whose sum is σ = 201654835200. Its totient is φ = 10722668544.

The previous prime is 55682081879. The next prime is 55682081941. The reversal of 55682081910 is 1918028655.

It is a happy number.

55682081910 is a `hidden beast` number, since 5 + 568 + 2 + 0 + 81 + 9 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (55682081879) and next prime (55682081941).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 121842402 + ... + 121842858.

It is an arithmetic number, because the mean of its divisors is an integer number (262571400).

Almost surely, 2^55682081910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55682081910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100827417600).

55682081910 is an abundant number, since it is smaller than the sum of its proper divisors (145972753290).

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

55682081910 is a wasteful number, since it uses less digits than its factorization.

55682081910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 55682081910 in words is "fifty-five billion, six hundred eighty-two million, eighty-one thousand, nine hundred ten".