49542487 has 2 divisors, whose sum is σ = 49542488. Its totient is φ = 49542486.

The previous prime is 49542463. The next prime is 49542499. The reversal of 49542487 is 78424594.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49542487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49542587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24771243 + 24771244.

It is an arithmetic number, because the mean of its divisors is an integer number (24771244).

Almost surely, 2^49542487 is an apocalyptic number.

49542487 is a deficient number, since it is larger than the sum of its proper divisors (1).

49542487 is an equidigital number, since it uses as much as digits as its factorization.

49542487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 49542487 is about 7038.6424117155. The cubic root of 49542487 is about 367.2760435342.

The spelling of 49542487 in words is "forty-nine million, five hundred forty-two thousand, four hundred eighty-seven".