50578275553 has 6 divisors (see below), whose sum is σ = 54768192054. Its totient is φ = 46687638816.

The previous prime is 50578275551. The next prime is 50578275569. The reversal of 50578275553 is 35557287505.

It can be written as a sum of positive squares in 3 ways, for example, as 7161052129 + 43417223424 = 84623^2 + 208368^2 .

It is not a de Polignac number, because 50578275553 - 2¹ = 50578275551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50578275553.

It is not an unprimeable number, because it can be changed into a prime (50578275551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149639700 + ... + 149640037.

It is an arithmetic number, because the mean of its divisors is an integer number (9128032009).

Almost surely, 2^50578275553 is an apocalyptic number.

It is an amenable number.

50578275553 is a deficient number, since it is larger than the sum of its proper divisors (4189916501).

50578275553 is a wasteful number, since it uses less digits than its factorization.

50578275553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299279763 (or 299279750 counting only the distinct ones).

The product of its (nonzero) digits is 7350000, while the sum is 52.

The spelling of 50578275553 in words is "fifty billion, five hundred seventy-eight million, two hundred seventy-five thousand, five hundred fifty-three".