55050550280 has 64 divisors (see below), whose sum is σ = 136363867200. Its totient is φ = 19834709760.

The previous prime is 55050550267. The next prime is 55050550283. The reversal of 55050550280 is 8205505055.

It is a happy number.

It is a super-2 number, since 2×55050550280² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55050550280.

It is not an unprimeable number, because it can be changed into a prime (55050550283) 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, 525962 + ... + 621881.

It is an arithmetic number, because the mean of its divisors is an integer number (2130685425).

Almost surely, 2^55050550280 is an apocalyptic number.

It is an amenable number.

55050550280 is an abundant number, since it is smaller than the sum of its proper divisors (81313316920).

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

55050550280 is a wasteful number, since it uses less digits than its factorization.

55050550280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147974 (or 1147970 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 55050550280 in words is "fifty-five billion, fifty million, five hundred fifty thousand, two hundred eighty".