48807561 has 48 divisors (see below), whose sum is σ = 79662528. Its totient is φ = 26265600.

The previous prime is 48807533. The next prime is 48807607. The reversal of 48807561 is 16570884.

It is not a de Polignac number, because 48807561 - 2¹⁷ = 48676489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48807461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202401 + ... + 202641.

It is an arithmetic number, because the mean of its divisors is an integer number (1659636).

Almost surely, 2^48807561 is an apocalyptic number.

It is an amenable number.

48807561 is a deficient number, since it is larger than the sum of its proper divisors (30854967).

48807561 is a wasteful number, since it uses less digits than its factorization.

48807561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 48807561 is about 6986.2408346692. The cubic root of 48807561 is about 365.4508995644.

The spelling of 48807561 in words is "forty-eight million, eight hundred seven thousand, five hundred sixty-one".