55255038083700 has 576 divisors, whose sum is σ = 201938533440000. Its totient is φ = 11352711168000.

The previous prime is 55255038083699. The next prime is 55255038083731. The reversal of 55255038083700 is 738083055255.

It is a super-2 number, since 2×55255038083700² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 605495676 + ... + 605586924.

Almost surely, 2^{55255038083700} is an apocalyptic number.

55255038083700 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 55255038083700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100969266720000).

55255038083700 is an abundant number, since it is smaller than the sum of its proper divisors (146683495356300).

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

55255038083700 is a wasteful number, since it uses less digits than its factorization.

55255038083700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91868 (or 91861 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 55255038083700 in words is "fifty-five trillion, two hundred fifty-five billion, thirty-eight million, eighty-three thousand, seven hundred".