5553511780 has 12 divisors (see below), whose sum is σ = 11662374780. Its totient is φ = 2221404704.

The previous prime is 5553511757. The next prime is 5553511793. The reversal of 5553511780 is 871153555.

It can be written as a sum of positive squares in 2 ways, for example, as 3505587264 + 2047924516 = 59208^2 + 45254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138837775 + ... + 138837814.

It is an arithmetic number, because the mean of its divisors is an integer number (971864565).

Almost surely, 2^5553511780 is an apocalyptic number.

It is an amenable number.

5553511780 is an abundant number, since it is smaller than the sum of its proper divisors (6108863000).

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

5553511780 is a wasteful number, since it uses less digits than its factorization.

5553511780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277675598 (or 277675596 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 40.

The square root of 5553511780 is about 74521.8879256289. The cubic root of 5553511780 is about 1770.8804051057.

The spelling of 5553511780 in words is "five billion, five hundred fifty-three million, five hundred eleven thousand, seven hundred eighty".