50555280 has 80 divisors (see below), whose sum is σ = 165953664. Its totient is φ = 12687360.

The previous prime is 50555279. The next prime is 50555299. The reversal of 50555280 is 8255505.

50555280 = T₄₁₅ + T₄₁₆ + ... + T₇₂₀.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 10275.

Almost surely, 2^50555280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50555280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82976832).

50555280 is an abundant number, since it is smaller than the sum of its proper divisors (115398384).

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

50555280 is a wasteful number, since it uses less digits than its factorization.

50555280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 50555280 is about 7110.2236251752. The cubic root of 50555280 is about 369.7619115947.

The spelling of 50555280 in words is "fifty million, five hundred fifty-five thousand, two hundred eighty".