49537421 has 2 divisors, whose sum is σ = 49537422. Its totient is φ = 49537420.

The previous prime is 49537417. The next prime is 49537451. The reversal of 49537421 is 12473594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 23629321 = 5090^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 49537421 - 2² = 49537417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49537451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24768710 + 24768711.

It is an arithmetic number, because the mean of its divisors is an integer number (24768711).

Almost surely, 2^49537421 is an apocalyptic number.

It is an amenable number.

49537421 is a deficient number, since it is larger than the sum of its proper divisors (1).

49537421 is an equidigital number, since it uses as much as digits as its factorization.

49537421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 49537421 is about 7038.2825319818. The cubic root of 49537421 is about 367.2635244220.

The spelling of 49537421 in words is "forty-nine million, five hundred thirty-seven thousand, four hundred twenty-one".