55387929050 has 24 divisors (see below), whose sum is σ = 103031189436. Its totient is φ = 22153098240.

The previous prime is 55387929029. The next prime is 55387929071. The reversal of 55387929050 is 5092978355.

It is an interprime number because it is at equal distance from previous prime (55387929029) and next prime (55387929071).

It can be written as a sum of positive squares in 6 ways, for example, as 14364262201 + 41023666849 = 119851^2 + 202543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55387928983 and 55387929001.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 559064 + ... + 650636.

Almost surely, 2^55387929050 is an apocalyptic number.

55387929050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55387929050 is a deficient number, since it is larger than the sum of its proper divisors (47643260386).

55387929050 is a wasteful number, since it uses less digits than its factorization.

55387929050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103682 (or 103677 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 55387929050 in words is "fifty-five billion, three hundred eighty-seven million, nine hundred twenty-nine thousand, fifty".