55006483840 has 768 divisors, whose sum is σ = 180034928640. Its totient is φ = 15668674560.

The previous prime is 55006483817. The next prime is 55006483849. The reversal of 55006483840 is 4838460055.

It is a super-2 number, since 2×55006483840² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006483849) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 433121857 + ... + 433121983.

It is an arithmetic number, because the mean of its divisors is an integer number (234420480).

Almost surely, 2^55006483840 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 55006483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90017464320).

55006483840 is an abundant number, since it is smaller than the sum of its proper divisors (125028444800).

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

55006483840 is a wasteful number, since it uses less digits than its factorization.

55006483840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 55006483840 in words is "fifty-five billion, six million, four hundred eighty-three thousand, eight hundred forty".