55204711320 has 256 divisors, whose sum is σ = 199616762880. Its totient is φ = 12047974400.

The previous prime is 55204711291. The next prime is 55204711349. The reversal of 55204711320 is 2311740255.

55204711320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55204711291) and next prime (55204711349).

It is a super-2 number, since 2×55204711320² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 462640 + ... + 569600.

It is an arithmetic number, because the mean of its divisors is an integer number (779752980).

Almost surely, 2^55204711320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55204711320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99808381440).

55204711320 is an abundant number, since it is smaller than the sum of its proper divisors (144412051560).

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

55204711320 is a wasteful number, since it uses less digits than its factorization.

55204711320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107026 (or 107022 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 55204711320 in words is "fifty-five billion, two hundred four million, seven hundred eleven thousand, three hundred twenty".