49005745 has 4 divisors (see below), whose sum is σ = 58806900. Its totient is φ = 39204592.

The previous prime is 49005707. The next prime is 49005763. The reversal of 49005745 is 54750094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 43678881 = 2308^2 + 6609^2 .

It is a cyclic number.

It is not a de Polignac number, because 49005745 - 2¹⁹ = 48481457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49005745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4900570 + ... + 4900579.

It is an arithmetic number, because the mean of its divisors is an integer number (14701725).

Almost surely, 2^49005745 is an apocalyptic number.

It is an amenable number.

49005745 is a deficient number, since it is larger than the sum of its proper divisors (9801155).

49005745 is an equidigital number, since it uses as much as digits as its factorization.

49005745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801154.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 49005745 is about 7000.4103451155. The cubic root of 49005745 is about 365.9448716076.

The spelling of 49005745 in words is "forty-nine million, five thousand, seven hundred forty-five".