48261421 has 4 divisors (see below), whose sum is σ = 51973852. Its totient is φ = 44548992.

The previous prime is 48261413. The next prime is 48261427. The reversal of 48261421 is 12416284.

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 13286025 + 34975396 = 3645^2 + 5914^2 .

It is a cyclic number.

It is not a de Polignac number, because 48261421 - 2³ = 48261413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48261421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48261427) 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, 1856196 + ... + 1856221.

It is an arithmetic number, because the mean of its divisors is an integer number (12993463).

Almost surely, 2^48261421 is an apocalyptic number.

It is an amenable number.

48261421 is a deficient number, since it is larger than the sum of its proper divisors (3712431).

48261421 is a wasteful number, since it uses less digits than its factorization.

48261421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712430.

The product of its digits is 3072, while the sum is 28.

The square root of 48261421 is about 6947.0440476508. The cubic root of 48261421 is about 364.0826931434.

The spelling of 48261421 in words is "forty-eight million, two hundred sixty-one thousand, four hundred twenty-one".