55146075950 has 48 divisors (see below), whose sum is σ = 123394542720. Its totient is φ = 17912106720.

The previous prime is 55146075839. The next prime is 55146075973. The reversal of 55146075950 is 5957064155.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55146075895 and 55146075904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4139672 + ... + 4152971.

It is an arithmetic number, because the mean of its divisors is an integer number (2570719640).

Almost surely, 2^55146075950 is an apocalyptic number.

55146075950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55146075950 is an abundant number, since it is smaller than the sum of its proper divisors (68248466770).

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

55146075950 is a wasteful number, since it uses less digits than its factorization.

55146075950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292681 (or 8292676 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 55146075950 in words is "fifty-five billion, one hundred forty-six million, seventy-five thousand, nine hundred fifty".