48780261 has 6 divisors (see below), whose sum is σ = 70460390. Its totient is φ = 32520168.

The previous prime is 48780247. The next prime is 48780269. The reversal of 48780261 is 16208784.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 12852225 = 5994^2 + 3585^2 .

It is not a de Polignac number, because 48780261 - 2⁵ = 48780229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48780269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2710006 + ... + 2710023.

Almost surely, 2^48780261 is an apocalyptic number.

It is an amenable number.

48780261 is a deficient number, since it is larger than the sum of its proper divisors (21680129).

48780261 is a wasteful number, since it uses less digits than its factorization.

48780261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420035 (or 5420032 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 48780261 is about 6984.2867209186. The cubic root of 48780261 is about 365.3827498074.

The spelling of 48780261 in words is "forty-eight million, seven hundred eighty thousand, two hundred sixty-one".