48601821 has 4 divisors (see below), whose sum is σ = 64802432. Its totient is φ = 32401212.

The previous prime is 48601801. The next prime is 48601841. The reversal of 48601821 is 12810684.

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 an interprime number because it is at equal distance from previous prime (48601801) and next prime (48601841).

It is not a de Polignac number, because 48601821 - 2¹⁴ = 48585437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48601801) 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, 8100301 + ... + 8100306.

It is an arithmetic number, because the mean of its divisors is an integer number (16200608).

Almost surely, 2^48601821 is an apocalyptic number.

It is an amenable number.

48601821 is a deficient number, since it is larger than the sum of its proper divisors (16200611).

48601821 is a wasteful number, since it uses less digits than its factorization.

48601821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200610.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 48601821 is about 6971.5006275550. The cubic root of 48601821 is about 364.9366775745.

The spelling of 48601821 in words is "forty-eight million, six hundred one thousand, eight hundred twenty-one".