50123745 has 128 divisors (see below), whose sum is σ = 110592000. Its totient is φ = 21047040.

The previous prime is 50123719. The next prime is 50123753. The reversal of 50123745 is 54732105.

It is a happy number.

It is not a de Polignac number, because 50123745 - 2¹¹ = 50121697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 849526 + ... + 849584.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^50123745 is an apocalyptic number.

It is an amenable number.

50123745 is an abundant number, since it is smaller than the sum of its proper divisors (60468255).

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

50123745 is a wasteful number, since it uses less digits than its factorization.

50123745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 50123745 is about 7079.8124975171. The cubic root of 50123745 is about 368.7068198026.

The spelling of 50123745 in words is "fifty million, one hundred twenty-three thousand, seven hundred forty-five".