48251421 has 6 divisors (see below), whose sum is σ = 69696510. Its totient is φ = 32167608.

The previous prime is 48251377. The next prime is 48251429. The reversal of 48251421 is 12415284.

It can be written as a sum of positive squares in only one way, i.e., 46090521 + 2160900 = 6789^2 + 1470^2 .

It is not a de Polignac number, because 48251421 - 2¹¹ = 48249373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48251429) 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, 2680626 + ... + 2680643.

It is an arithmetic number, because the mean of its divisors is an integer number (11616085).

Almost surely, 2^48251421 is an apocalyptic number.

It is an amenable number.

48251421 is a deficient number, since it is larger than the sum of its proper divisors (21445089).

48251421 is a wasteful number, since it uses less digits than its factorization.

48251421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361275 (or 5361272 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 48251421 is about 6946.3242797900. The cubic root of 48251421 is about 364.0575448410.

The spelling of 48251421 in words is "forty-eight million, two hundred fifty-one thousand, four hundred twenty-one".