49593821 has 2 divisors, whose sum is σ = 49593822. Its totient is φ = 49593820.

The previous prime is 49593767. The next prime is 49593827. The reversal of 49593821 is 12839594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46389721 + 3204100 = 6811^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 49593821 - 2⁶ = 49593757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49593827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24796910 + 24796911.

It is an arithmetic number, because the mean of its divisors is an integer number (24796911).

Almost surely, 2^49593821 is an apocalyptic number.

It is an amenable number.

49593821 is a deficient number, since it is larger than the sum of its proper divisors (1).

49593821 is an equidigital number, since it uses as much as digits as its factorization.

49593821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 49593821 is about 7042.2880514787. The cubic root of 49593821 is about 367.4028521347.

The spelling of 49593821 in words is "forty-nine million, five hundred ninety-three thousand, eight hundred twenty-one".