55852971776 has 288 divisors, whose sum is σ = 140716154880. Its totient is φ = 21572812800.

The previous prime is 55852971773. The next prime is 55852971787. The reversal of 55852971776 is 67717925855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55852971773) 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, 168739931 + ... + 168740261.

It is an arithmetic number, because the mean of its divisors is an integer number (488597760).

Almost surely, 2^55852971776 is an apocalyptic number.

55852971776 is a gapful number since it is divisible by the number (56) 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 55852971776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70358077440).

55852971776 is an abundant number, since it is smaller than the sum of its proper divisors (84863183104).

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

55852971776 is a wasteful number, since it uses less digits than its factorization.

55852971776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 577 counting only the distinct ones).

The product of its digits is 37044000, while the sum is 62.

The spelling of 55852971776 in words is "fifty-five billion, eight hundred fifty-two million, nine hundred seventy-one thousand, seven hundred seventy-six".