50555025280 has 32 divisors (see below), whose sum is σ = 120858108840. Its totient is φ = 20222009856.

The previous prime is 50555025263. The next prime is 50555025281. The reversal of 50555025280 is 8252055505.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×50555025280² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555025281) 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, 39495474 + ... + 39496753.

Almost surely, 2^50555025280 is an apocalyptic number.

It is an amenable number.

50555025280 is an abundant number, since it is smaller than the sum of its proper divisors (70303083560).

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

50555025280 is an equidigital number, since it uses as much as digits as its factorization.

50555025280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78992246 (or 78992234 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 50555025280 in words is "fifty billion, five hundred fifty-five million, twenty-five thousand, two hundred eighty".