50275555278 has 32 divisors (see below), whose sum is σ = 109138477056. Its totient is φ = 15347592288.

The previous prime is 50275555199. The next prime is 50275555339. The reversal of 50275555278 is 87255557205.

It is a super-2 number, since 2×50275555278² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50275555278.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2527726 + ... + 2547537.

It is an arithmetic number, because the mean of its divisors is an integer number (3410577408).

Almost surely, 2^50275555278 is an apocalyptic number.

50275555278 is an abundant number, since it is smaller than the sum of its proper divisors (58862921778).

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

50275555278 is a wasteful number, since it uses less digits than its factorization.

50275555278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075408.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 50275555278 in words is "fifty billion, two hundred seventy-five million, five hundred fifty-five thousand, two hundred seventy-eight".