55501113600 has 216 divisors, whose sum is σ = 203517564320. Its totient is φ = 14800250880.

The previous prime is 55501113487. The next prime is 55501113611. The reversal of 55501113600 is 631110555.

55501113600 is a `hidden beast` number, since 5 + 5 + 50 + 1 + 1 + 1 + 3 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-2 number, since 2×55501113600² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12207 + ... + 333393.

Almost surely, 2^55501113600 is an apocalyptic number.

55501113600 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 55501113600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101758782160).

55501113600 is an abundant number, since it is smaller than the sum of its proper divisors (148016450720).

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

55501113600 is a wasteful number, since it uses less digits than its factorization.

55501113600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321222 (or 321197 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 55501113600 in words is "fifty-five billion, five hundred one million, one hundred thirteen thousand, six hundred".