49472539 has 2 divisors, whose sum is σ = 49472540. Its totient is φ = 49472538.

The previous prime is 49472491. The next prime is 49472551. The reversal of 49472539 is 93527494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49472539 - 2¹³ = 49464347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49472495 and 49472504.

It is not a weakly prime, because it can be changed into another prime (49472569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24736269 + 24736270.

It is an arithmetic number, because the mean of its divisors is an integer number (24736270).

Almost surely, 2^49472539 is an apocalyptic number.

49472539 is a deficient number, since it is larger than the sum of its proper divisors (1).

49472539 is an equidigital number, since it uses as much as digits as its factorization.

49472539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 49472539 is about 7033.6718007027. The cubic root of 49472539 is about 367.1031123376.

The spelling of 49472539 in words is "forty-nine million, four hundred seventy-two thousand, five hundred thirty-nine".