55010516501220 has 96 divisors (see below), whose sum is σ = 177776560394496. Its totient is φ = 12449338944000.

The previous prime is 55010516501179. The next prime is 55010516501323. The reversal of 55010516501220 is 2210561501055.

It is a super-2 number, since 2×55010516501220² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648360651 + ... + 648445490.

It is an arithmetic number, because the mean of its divisors is an integer number (1851839170776).

Almost surely, 2^{55010516501220} is an apocalyptic number.

It is an amenable number.

55010516501220 is an abundant number, since it is smaller than the sum of its proper divisors (122766043893276).

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

55010516501220 is a wasteful number, since it uses less digits than its factorization.

55010516501220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296806261 (or 1296806259 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 55010516501220 in words is "fifty-five trillion, ten billion, five hundred sixteen million, five hundred one thousand, two hundred twenty".