55860572040 has 256 divisors, whose sum is σ = 207453657600. Its totient is φ = 11717443584.

The previous prime is 55860572003. The next prime is 55860572059. The reversal of 55860572040 is 4027506855.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55860571983 and 55860572001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1874376 + ... + 1903944.

It is an arithmetic number, because the mean of its divisors is an integer number (810365850).

Almost surely, 2^55860572040 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 55860572040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103726828800).

55860572040 is an abundant number, since it is smaller than the sum of its proper divisors (151593085560).

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

55860572040 is a wasteful number, since it uses less digits than its factorization.

55860572040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29776 (or 29772 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 55860572040 in words is "fifty-five billion, eight hundred sixty million, five hundred seventy-two thousand, forty".