50551625 has 16 divisors (see below), whose sum is σ = 66802320. Its totient is φ = 38060800.

The previous prime is 50551621. The next prime is 50551637. The reversal of 50551625 is 52615505.

It can be written as a sum of positive squares in 8 ways, for example, as 17707264 + 32844361 = 4208^2 + 5731^2 .

It is not a de Polignac number, because 50551625 - 2² = 50551621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50551621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (4175145).

Almost surely, 2^50551625 is an apocalyptic number.

It is an amenable number.

50551625 is a deficient number, since it is larger than the sum of its proper divisors (16250695).

50551625 is a wasteful number, since it uses less digits than its factorization.

50551625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23821 (or 23811 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 50551625 is about 7109.9665962647. The cubic root of 50551625 is about 369.7530004756.

The spelling of 50551625 in words is "fifty million, five hundred fifty-one thousand, six hundred twenty-five".