49419021 has 4 divisors (see below), whose sum is σ = 65892032. Its totient is φ = 32946012.

The previous prime is 49419011. The next prime is 49419031. The reversal of 49419021 is 12091494.

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 an interprime number because it is at equal distance from previous prime (49419011) and next prime (49419031).

It is not a de Polignac number, because 49419021 - 2⁷ = 49418893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49419021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49419011) 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, 8236501 + ... + 8236506.

It is an arithmetic number, because the mean of its divisors is an integer number (16473008).

Almost surely, 2^49419021 is an apocalyptic number.

It is an amenable number.

49419021 is a deficient number, since it is larger than the sum of its proper divisors (16473011).

49419021 is a wasteful number, since it uses less digits than its factorization.

49419021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473010.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 49419021 is about 7029.8663571934. The cubic root of 49419021 is about 366.9706906385.

It can be divided in two parts, 49 and 419021, that added together give a triangular number (419070 = T₉₁₅).

The spelling of 49419021 in words is "forty-nine million, four hundred nineteen thousand, twenty-one".