50625661 has 4 divisors (see below), whose sum is σ = 50693824. Its totient is φ = 50557500.

The previous prime is 50625647. The next prime is 50625667. The reversal of 50625661 is 16652605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50625661 - 2⁹ = 50625149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50625667) 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, 32955 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (12673456).

Almost surely, 2^50625661 is an apocalyptic number.

It is an amenable number.

50625661 is a deficient number, since it is larger than the sum of its proper divisors (68163).

50625661 is an equidigital number, since it uses as much as digits as its factorization.

50625661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68162.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 50625661 is about 7115.1711855724. The cubic root of 50625661 is about 369.9334211832.

The spelling of 50625661 in words is "fifty million, six hundred twenty-five thousand, six hundred sixty-one".