49440487 has 2 divisors, whose sum is σ = 49440488. Its totient is φ = 49440486.

The previous prime is 49440463. The next prime is 49440509. The reversal of 49440487 is 78404494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49440487 - 2¹¹ = 49438439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49446487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24720243 + 24720244.

It is an arithmetic number, because the mean of its divisors is an integer number (24720244).

Almost surely, 2^49440487 is an apocalyptic number.

49440487 is a deficient number, since it is larger than the sum of its proper divisors (1).

49440487 is an equidigital number, since it uses as much as digits as its factorization.

49440487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 49440487 is about 7031.3929629910. The cubic root of 49440487 is about 367.0238162866.

The spelling of 49440487 in words is "forty-nine million, four hundred forty thousand, four hundred eighty-seven".