55170261199320 has 64 divisors (see below), whose sum is σ = 165511289783520. Its totient is φ = 14712024658944.

The previous prime is 55170261199301. The next prime is 55170261199337. The reversal of 55170261199320 is 2399116207155.

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, 61628844 + ... + 62517636.

Almost surely, 2^{55170261199320} is an apocalyptic number.

It is an amenable number.

55170261199320 is an abundant number, since it is smaller than the sum of its proper divisors (110341028584200).

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

55170261199320 is a wasteful number, since it uses less digits than its factorization.

55170261199320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406084 (or 1406080 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 55170261199320 in words is "fifty-five trillion, one hundred seventy billion, two hundred sixty-one million, one hundred ninety-nine thousand, three hundred twenty".