50538780 has 36 divisors (see below), whose sum is σ = 153301512. Its totient is φ = 13476960.

The previous prime is 50538737. The next prime is 50538799. The reversal of 50538780 is 8783505.

It is a happy number.

50538780 is a `hidden beast` number, since 50 + 538 + 78 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140206 + ... + 140565.

Almost surely, 2^50538780 is an apocalyptic number.

It is an amenable number.

50538780 is an abundant number, since it is smaller than the sum of its proper divisors (102762732).

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

50538780 is a wasteful number, since it uses less digits than its factorization.

50538780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280786 (or 280781 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 50538780 is about 7109.0632294276. The cubic root of 50538780 is about 369.7216801529.

The spelling of 50538780 in words is "fifty million, five hundred thirty-eight thousand, seven hundred eighty".