55516473950 has 24 divisors (see below), whose sum is σ = 118012162512. Its totient is φ = 19034219520.

The previous prime is 55516473949. The next prime is 55516473967. The reversal of 55516473950 is 5937461555.

55516473950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79308899 + ... + 79309598.

It is an arithmetic number, because the mean of its divisors is an integer number (4917173438).

Almost surely, 2^55516473950 is an apocalyptic number.

55516473950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55516473950 is an abundant number, since it is smaller than the sum of its proper divisors (62495688562).

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

55516473950 is a wasteful number, since it uses less digits than its factorization.

55516473950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158618516 (or 158618511 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 50.

The spelling of 55516473950 in words is "fifty-five billion, five hundred sixteen million, four hundred seventy-three thousand, nine hundred fifty".