48455265520 has 80 divisors (see below), whose sum is σ = 115946230752. Its totient is φ = 18821698560.

The previous prime is 48455265503. The next prime is 48455265539. The reversal of 48455265520 is 2556255484.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×48455265520² (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 15 ways as a sum of consecutive naturals, for example, 554410 + ... + 635830.

Almost surely, 2^48455265520 is an apocalyptic number.

48455265520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48455265520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57973115376).

48455265520 is an abundant number, since it is smaller than the sum of its proper divisors (67490965232).

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

48455265520 is a wasteful number, since it uses less digits than its factorization.

48455265520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81650 (or 81644 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 46.

The spelling of 48455265520 in words is "forty-eight billion, four hundred fifty-five million, two hundred sixty-five thousand, five hundred twenty".