55626410840 has 192 divisors, whose sum is σ = 168971132160. Its totient is φ = 16004252160.

The previous prime is 55626410803. The next prime is 55626410863. The reversal of 55626410840 is 4801462655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467087 + ... + 573953.

It is an arithmetic number, because the mean of its divisors is an integer number (880057980).

Almost surely, 2^55626410840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55626410840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84485566080).

55626410840 is an abundant number, since it is smaller than the sum of its proper divisors (113344721320).

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

55626410840 is a wasteful number, since it uses less digits than its factorization.

55626410840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106922 (or 106905 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 55626410840 in words is "fifty-five billion, six hundred twenty-six million, four hundred ten thousand, eight hundred forty".