49465621 has 4 divisors (see below), whose sum is σ = 49482432. Its totient is φ = 49448812.

The previous prime is 49465579. The next prime is 49465627. The reversal of 49465621 is 12656494.

49465621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49465621 - 2⁹ = 49465109 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 (49465627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2701 + ... + 10306.

It is an arithmetic number, because the mean of its divisors is an integer number (12370608).

Almost surely, 2^49465621 is an apocalyptic number.

It is an amenable number.

49465621 is a deficient number, since it is larger than the sum of its proper divisors (16811).

49465621 is a wasteful number, since it uses less digits than its factorization.

49465621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810.

The product of its digits is 51840, while the sum is 37.

The square root of 49465621 is about 7033.1800062276. The cubic root of 49465621 is about 367.0860002334.

It can be divided in two parts, 49465 and 621, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 49465621 in words is "forty-nine million, four hundred sixty-five thousand, six hundred twenty-one".