55357076064 has 144 divisors (see below), whose sum is σ = 154583484048. Its totient is φ = 17342128128.

The previous prime is 55357076053. The next prime is 55357076069. The reversal of 55357076064 is 46067075355.

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 (55357076069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34318522 + ... + 34320134.

It is an arithmetic number, because the mean of its divisors is an integer number (1073496417).

Almost surely, 2^55357076064 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 55357076064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77291742024).

55357076064 is an abundant number, since it is smaller than the sum of its proper divisors (99226407984).

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

55357076064 is a wasteful number, since it uses less digits than its factorization.

55357076064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 55357076064 in words is "fifty-five billion, three hundred fifty-seven million, seventy-six thousand, sixty-four".