48587021 has 4 divisors (see below), whose sum is σ = 55528032. Its totient is φ = 41646012.

The previous prime is 48586991. The next prime is 48587023. The reversal of 48587021 is 12078584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48587021 - 2¹⁰ = 48585997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48587023) 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, 3470495 + ... + 3470508.

It is an arithmetic number, because the mean of its divisors is an integer number (13882008).

Almost surely, 2^48587021 is an apocalyptic number.

It is an amenable number.

48587021 is a deficient number, since it is larger than the sum of its proper divisors (6941011).

48587021 is an equidigital number, since it uses as much as digits as its factorization.

48587021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941010.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 48587021 is about 6970.4390822960. The cubic root of 48587021 is about 364.8996308751.

The spelling of 48587021 in words is "forty-eight million, five hundred eighty-seven thousand, twenty-one".