49123420 has 24 divisors (see below), whose sum is σ = 105948864. Its totient is φ = 19118016.

The previous prime is 49123411. The next prime is 49123427. The reversal of 49123420 is 2432194.

49123420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49123420² = 4826220784992800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49123427) 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 7 ways as a sum of consecutive naturals, for example, 32452 + ... + 33931.

It is an arithmetic number, because the mean of its divisors is an integer number (4414536).

Almost surely, 2^49123420 is an apocalyptic number.

It is an amenable number.

49123420 is an abundant number, since it is smaller than the sum of its proper divisors (56825444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49123420 is a wasteful number, since it uses less digits than its factorization.

49123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66429 (or 66427 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 49123420 is about 7008.8101700645. The cubic root of 49123420 is about 366.2375457331.

The spelling of 49123420 in words is "forty-nine million, one hundred twenty-three thousand, four hundred twenty".