49866547 has 2 divisors, whose sum is σ = 49866548. Its totient is φ = 49866546.

The previous prime is 49866533. The next prime is 49866613. The reversal of 49866547 is 74566894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49866547 - 2⁷ = 49866419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49866547.

It is not a weakly prime, because it can be changed into another prime (49866527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24933273 + 24933274.

It is an arithmetic number, because the mean of its divisors is an integer number (24933274).

Almost surely, 2^49866547 is an apocalyptic number.

49866547 is a deficient number, since it is larger than the sum of its proper divisors (1).

49866547 is an equidigital number, since it uses as much as digits as its factorization.

49866547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 49866547 is about 7061.6249546404. The cubic root of 49866547 is about 368.0750944538.

The spelling of 49866547 in words is "forty-nine million, eight hundred sixty-six thousand, five hundred forty-seven".