55510129480 has 64 divisors (see below), whose sum is σ = 136016722800. Its totient is φ = 20265738240.

The previous prime is 55510129471. The next prime is 55510129483. The reversal of 55510129480 is 8492101555.

55510129480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1935472036 + 53574657444 = 43994^2 + 231462^2 .

It is a super-3 number, since 3×55510129480³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (55510129483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553441 + ... + 646000.

Almost surely, 2^55510129480 is an apocalyptic number.

It is an amenable number.

55510129480 is an abundant number, since it is smaller than the sum of its proper divisors (80506593320).

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

55510129480 is a wasteful number, since it uses less digits than its factorization.

55510129480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199554 (or 1199550 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 55510129480 in words is "fifty-five billion, five hundred ten million, one hundred twenty-nine thousand, four hundred eighty".