49723633 has 4 divisors (see below), whose sum is σ = 49742820. Its totient is φ = 49704448.

The previous prime is 49723621. The next prime is 49723637. The reversal of 49723633 is 33632794.

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 38353249 + 11370384 = 6193^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 49723633 - 2¹⁷ = 49592561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49723592 and 49723601.

It is not an unprimeable number, because it can be changed into a prime (49723637) 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, 4960 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (12435705).

Almost surely, 2^49723633 is an apocalyptic number.

It is an amenable number.

49723633 is a deficient number, since it is larger than the sum of its proper divisors (19187).

49723633 is a wasteful number, since it uses less digits than its factorization.

49723633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186.

The product of its digits is 81648, while the sum is 37.

The square root of 49723633 is about 7051.4986350421. The cubic root of 49723633 is about 367.7231322692.

The spelling of 49723633 in words is "forty-nine million, seven hundred twenty-three thousand, six hundred thirty-three".