55272635616 has 192 divisors, whose sum is σ = 161972649216. Its totient is φ = 16363008000.

The previous prime is 55272635611. The next prime is 55272635681. The reversal of 55272635616 is 61653627255.

55272635616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55272635616² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55272635611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8245066 + ... + 8251766.

It is an arithmetic number, because the mean of its divisors is an integer number (843607548).

Almost surely, 2^55272635616 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 55272635616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80986324608).

55272635616 is an abundant number, since it is smaller than the sum of its proper divisors (106700013600).

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

55272635616 is a wasteful number, since it uses less digits than its factorization.

55272635616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905 (or 6897 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 55272635616 in words is "fifty-five billion, two hundred seventy-two million, six hundred thirty-five thousand, six hundred sixteen".