50128660 has 24 divisors (see below), whose sum is σ = 106606080. Its totient is φ = 19797024.

The previous prime is 50128657. The next prime is 50128681. The reversal of 50128660 is 6682105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14284 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (4441920).

Almost surely, 2^50128660 is an apocalyptic number.

It is an amenable number.

50128660 is an abundant number, since it is smaller than the sum of its proper divisors (56477420).

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

50128660 is a wasteful number, since it uses less digits than its factorization.

50128660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31815 (or 31813 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 50128660 is about 7080.1596027208. The cubic root of 50128660 is about 368.7188708760.

It can be divided in two parts, 501 and 28660, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 50128660 in words is "fifty million, one hundred twenty-eight thousand, six hundred sixty".