49500421 has 4 divisors (see below), whose sum is σ = 49532832. Its totient is φ = 49468012.

The previous prime is 49500401. The next prime is 49500431. The reversal of 49500421 is 12400594.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12400594 = 2 ⋅6200297.

It is a cyclic number.

It is not a de Polignac number, because 49500421 - 2⁷ = 49500293 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 (49500401) 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, 13795 + ... + 17008.

It is an arithmetic number, because the mean of its divisors is an integer number (12383208).

Almost surely, 2^49500421 is an apocalyptic number.

It is an amenable number.

49500421 is a deficient number, since it is larger than the sum of its proper divisors (32411).

49500421 is a wasteful number, since it uses less digits than its factorization.

49500421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32410.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 49500421 is about 7035.6535588387. The cubic root of 49500421 is about 367.1720640356.

The spelling of 49500421 in words is "forty-nine million, five hundred thousand, four hundred twenty-one".