55849390272 has 224 divisors, whose sum is σ = 177233031360. Its totient is φ = 17143971840.

The previous prime is 55849390249. The next prime is 55849390273. The reversal of 55849390272 is 27209394855.

55849390272 is a `hidden beast` number, since 5 + 584 + 9 + 39 + 0 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55849390273) 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, 10353208 + ... + 10358600.

It is an arithmetic number, because the mean of its divisors is an integer number (791218890).

Almost surely, 2^55849390272 is an apocalyptic number.

55849390272 is a gapful number since it is divisible by the number (52) 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 55849390272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88616515680).

55849390272 is an abundant number, since it is smaller than the sum of its proper divisors (121383641088).

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

55849390272 is a wasteful number, since it uses less digits than its factorization.

55849390272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 55849390272 in words is "fifty-five billion, eight hundred forty-nine million, three hundred ninety thousand, two hundred seventy-two".