48561021 has 6 divisors (see below), whose sum is σ = 70143710. Its totient is φ = 32374008.

The previous prime is 48561001. The next prime is 48561031. The reversal of 48561021 is 12016584.

48561021 is a `hidden beast` number, since 48 + 5 + 610 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 11655396 = 6075^2 + 3414^2 .

It is not a de Polignac number, because 48561021 - 2⁵ = 48560989 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 (48561001) 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, 2697826 + ... + 2697843.

Almost surely, 2^48561021 is an apocalyptic number.

It is an amenable number.

48561021 is a deficient number, since it is larger than the sum of its proper divisors (21582689).

48561021 is a wasteful number, since it uses less digits than its factorization.

48561021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395675 (or 5395672 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 48561021 is about 6968.5738139163. The cubic root of 48561021 is about 364.8345306144.

The spelling of 48561021 in words is "forty-eight million, five hundred sixty-one thousand, twenty-one".