55240453450 has 48 divisors (see below), whose sum is σ = 126458156160. Its totient is φ = 17482691520.

The previous prime is 55240453417. The next prime is 55240453451. The reversal of 55240453450 is 5435404255.

It is not an unprimeable number, because it can be changed into a prime (55240453451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6065830 + ... + 6074929.

It is an arithmetic number, because the mean of its divisors is an integer number (2634544920).

Almost surely, 2^55240453450 is an apocalyptic number.

55240453450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55240453450 is an abundant number, since it is smaller than the sum of its proper divisors (71217702710).

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

55240453450 is a wasteful number, since it uses less digits than its factorization.

55240453450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140791 (or 12140786 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 55240453450 in words is "fifty-five billion, two hundred forty million, four hundred fifty-three thousand, four hundred fifty".