55248407480 has 288 divisors, whose sum is σ = 154188962640. Its totient is φ = 17760798720.

The previous prime is 55248407329. The next prime is 55248407503. The reversal of 55248407480 is 8470484255.

It is a super-2 number, since 2×55248407480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 79953935 + ... + 79954625.

Almost surely, 2^55248407480 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 55248407480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77094481320).

55248407480 is an abundant number, since it is smaller than the sum of its proper divisors (98940555160).

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

55248407480 is a wasteful number, since it uses less digits than its factorization.

55248407480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 47.

The spelling of 55248407480 in words is "fifty-five billion, two hundred forty-eight million, four hundred seven thousand, four hundred eighty".