55503358050 has 48 divisors (see below), whose sum is σ = 157312377792. Its totient is φ = 12686481600.

The previous prime is 55503358033. The next prime is 55503358051. The reversal of 55503358050 is 5085330555.

It is a super-3 number, since 3×55503358050³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55503358051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26429121 + ... + 26431220.

It is an arithmetic number, because the mean of its divisors is an integer number (3277341204).

Almost surely, 2^55503358050 is an apocalyptic number.

55503358050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55503358050 is an abundant number, since it is smaller than the sum of its proper divisors (101809019742).

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

55503358050 is a wasteful number, since it uses less digits than its factorization.

55503358050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860363 (or 52860358 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 55503358050 in words is "fifty-five billion, five hundred three million, three hundred fifty-eight thousand, fifty".