49399573 has 2 divisors, whose sum is σ = 49399574. Its totient is φ = 49399572.

The previous prime is 49399543. The next prime is 49399583. The reversal of 49399573 is 37599394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48748324 + 651249 = 6982^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 49399573 - 2⁵ = 49399541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49399543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24699786 + 24699787.

It is an arithmetic number, because the mean of its divisors is an integer number (24699787).

Almost surely, 2^49399573 is an apocalyptic number.

It is an amenable number.

49399573 is a deficient number, since it is larger than the sum of its proper divisors (1).

49399573 is an equidigital number, since it uses as much as digits as its factorization.

49399573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 49.

The square root of 49399573 is about 7028.4829799894. The cubic root of 49399573 is about 366.9225460021.

The spelling of 49399573 in words is "forty-nine million, three hundred ninety-nine thousand, five hundred seventy-three".