50540657 has 4 divisors (see below), whose sum is σ = 50603940. Its totient is φ = 50477376.

The previous prime is 50540653. The next prime is 50540669. The reversal of 50540657 is 75604505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36372961 + 14167696 = 6031^2 + 3764^2 .

It is a cyclic number.

It is not a de Polignac number, because 50540657 - 2² = 50540653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50540653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30428 + ... + 32045.

It is an arithmetic number, because the mean of its divisors is an integer number (12650985).

Almost surely, 2^50540657 is an apocalyptic number.

It is an amenable number.

50540657 is a deficient number, since it is larger than the sum of its proper divisors (63283).

50540657 is an equidigital number, since it uses as much as digits as its factorization.

50540657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63282.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 50540657 is about 7109.1952427824. The cubic root of 50540657 is about 369.7262572256.

The spelling of 50540657 in words is "fifty million, five hundred forty thousand, six hundred fifty-seven".