55216362000 has 160 divisors (see below), whose sum is σ = 178322586624. Its totient is φ = 14699136000.

The previous prime is 55216361999. The next prime is 55216362013. The reversal of 55216362000 is 26361255.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3634420 + ... + 3649580.

Almost surely, 2^55216362000 is an apocalyptic number.

55216362000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55216362000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89161293312).

55216362000 is an abundant number, since it is smaller than the sum of its proper divisors (123106224624).

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

55216362000 is a wasteful number, since it uses less digits than its factorization.

55216362000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15794 (or 15778 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 55216362000 in words is "fifty-five billion, two hundred sixteen million, three hundred sixty-two thousand".