49089009 has 8 divisors (see below), whose sum is σ = 66844800. Its totient is φ = 32029616.

The previous prime is 49088983. The next prime is 49089011. The reversal of 49089009 is 90098094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49089009 - 2¹⁶ = 49023473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49089059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173934 + ... + 174215.

It is an arithmetic number, because the mean of its divisors is an integer number (8355600).

Almost surely, 2^49089009 is an apocalyptic number.

It is an amenable number.

49089009 is a deficient number, since it is larger than the sum of its proper divisors (17755791).

49089009 is a wasteful number, since it uses less digits than its factorization.

49089009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348199.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 49089009 is about 7006.3549010880. The cubic root of 49089009 is about 366.1520091802.

The spelling of 49089009 in words is "forty-nine million, eighty-nine thousand, nine".