55390016950 has 36 divisors (see below), whose sum is σ = 108733247100. Its totient is φ = 20989894320.

The previous prime is 55390016917. The next prime is 55390016951. The reversal of 55390016950 is 5961009355.

It is a junction number, because it is equal to n+sod(n) for n = 55390016897 and 55390016906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55390016951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1516300 + ... + 1552399.

It is an arithmetic number, because the mean of its divisors is an integer number (3020367975).

Almost surely, 2^55390016950 is an apocalyptic number.

55390016950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55390016950 is a deficient number, since it is larger than the sum of its proper divisors (53343230150).

55390016950 is a wasteful number, since it uses less digits than its factorization.

55390016950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068749 (or 3068725 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 43.

The spelling of 55390016950 in words is "fifty-five billion, three hundred ninety million, sixteen thousand, nine hundred fifty".