48629809 has 4 divisors (see below), whose sum is σ = 51490404. Its totient is φ = 45769216.

The previous prime is 48629807. The next prime is 48629821. The reversal of 48629809 is 90892684.

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 38688400 + 9941409 = 6220^2 + 3153^2 .

It is a cyclic number.

It is not a de Polignac number, because 48629809 - 2¹ = 48629807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48629807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430272 + ... + 1430305.

It is an arithmetic number, because the mean of its divisors is an integer number (12872601).

Almost surely, 2^48629809 is an apocalyptic number.

It is an amenable number.

48629809 is a deficient number, since it is larger than the sum of its proper divisors (2860595).

48629809 is a wasteful number, since it uses less digits than its factorization.

48629809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860594.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 48629809 is about 6973.5076539716. The cubic root of 48629809 is about 365.0067153328.

The spelling of 48629809 in words is "forty-eight million, six hundred twenty-nine thousand, eight hundred nine".