53550371505478 has 8 divisors (see below), whose sum is σ = 80615541220272. Its totient is φ = 26678524432056.

The previous prime is 53550371505461. The next prime is 53550371505479. The reversal of 53550371505478 is 87450517305535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53550371505479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48330659650 + ... + 48330660757.

It is an arithmetic number, because the mean of its divisors is an integer number (10076942652534).

Almost surely, 2^{53550371505478} is an apocalyptic number.

53550371505478 is a deficient number, since it is larger than the sum of its proper divisors (27065169714794).

53550371505478 is a wasteful number, since it uses less digits than its factorization.

53550371505478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96661320686.

The product of its (nonzero) digits is 44100000, while the sum is 58.

The spelling of 53550371505478 in words is "fifty-three trillion, five hundred fifty billion, three hundred seventy-one million, five hundred five thousand, four hundred seventy-eight".