49272021 has 12 divisors (see below), whose sum is σ = 72377760. Its totient is φ = 32290920.

The previous prime is 49272017. The next prime is 49272029. The reversal of 49272021 is 12027294.

It is not a de Polignac number, because 49272021 - 2² = 49272017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49272029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45865 + ... + 46926.

It is an arithmetic number, because the mean of its divisors is an integer number (6031480).

Almost surely, 2^49272021 is an apocalyptic number.

It is an amenable number.

49272021 is a deficient number, since it is larger than the sum of its proper divisors (23105739).

49272021 is a wasteful number, since it uses less digits than its factorization.

49272021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92856 (or 92853 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 49272021 is about 7019.4031797582. The cubic root of 49272021 is about 366.6064700996.

It can be divided in two parts, 4 and 9272021, that added together give a square (9272025 = 3045²).

The spelling of 49272021 in words is "forty-nine million, two hundred seventy-two thousand, twenty-one".