49723820 has 12 divisors (see below), whose sum is σ = 104420064. Its totient is φ = 19889520.

The previous prime is 49723799. The next prime is 49723823. The reversal of 49723820 is 2832794.

It is not an unprimeable number, because it can be changed into a prime (49723823) 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, 1243076 + ... + 1243115.

It is an arithmetic number, because the mean of its divisors is an integer number (8701672).

Almost surely, 2^49723820 is an apocalyptic number.

It is an amenable number.

49723820 is an abundant number, since it is smaller than the sum of its proper divisors (54696244).

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

49723820 is a wasteful number, since it uses less digits than its factorization.

49723820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486200 (or 2486198 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 49723820 is about 7051.5118946223. The cubic root of 49723820 is about 367.7235932448.

The spelling of 49723820 in words is "forty-nine million, seven hundred twenty-three thousand, eight hundred twenty".