49479487 has 2 divisors, whose sum is σ = 49479488. Its totient is φ = 49479486.

The previous prime is 49479467. The next prime is 49479491. The reversal of 49479487 is 78497494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49479487 - 2²³ = 41090879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49479407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739743 + 24739744.

It is an arithmetic number, because the mean of its divisors is an integer number (24739744).

Almost surely, 2^49479487 is an apocalyptic number.

49479487 is a deficient number, since it is larger than the sum of its proper divisors (1).

49479487 is an equidigital number, since it uses as much as digits as its factorization.

49479487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 49479487 is about 7034.1656932432. The cubic root of 49479487 is about 367.1202970430.

The spelling of 49479487 in words is "forty-nine million, four hundred seventy-nine thousand, four hundred eighty-seven".