48628809 has 16 divisors (see below), whose sum is σ = 75835200. Its totient is φ = 30712608.

The previous prime is 48628781. The next prime is 48628819. The reversal of 48628809 is 90882684.

It is a happy number.

It is not a de Polignac number, because 48628809 - 2⁵ = 48628777 is a prime.

It is a super-2 number, since 2×48628809² = 4729522129516962, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (48628819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46884 + ... + 47909.

It is an arithmetic number, because the mean of its divisors is an integer number (4739700).

Almost surely, 2^48628809 is an apocalyptic number.

It is an amenable number.

48628809 is a deficient number, since it is larger than the sum of its proper divisors (27206391).

48628809 is a wasteful number, since it uses less digits than its factorization.

48628809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94821 (or 94815 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 48628809 is about 6973.4359536745. The cubic root of 48628809 is about 365.0042133748.

The spelling of 48628809 in words is "forty-eight million, six hundred twenty-eight thousand, eight hundred nine".