55145240050 has 96 divisors (see below), whose sum is σ = 109504991232. Its totient is φ = 20589127680.

The previous prime is 55145240011. The next prime is 55145240057. The reversal of 55145240050 is 5004254155.

It is a junction number, because it is equal to n+sod(n) for n = 55145239994 and 55145240021.

It is not an unprimeable number, because it can be changed into a prime (55145240057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75852787 + ... + 75853513.

It is an arithmetic number, because the mean of its divisors is an integer number (1140676992).

Almost surely, 2^55145240050 is an apocalyptic number.

55145240050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55145240050 is a deficient number, since it is larger than the sum of its proper divisors (54359751182).

55145240050 is a wasteful number, since it uses less digits than its factorization.

55145240050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 55145240050 in words is "fifty-five billion, one hundred forty-five million, two hundred forty thousand, fifty".