48724621 has 4 divisors (see below), whose sum is σ = 53154144. Its totient is φ = 44295100.

The previous prime is 48724589. The next prime is 48724651. The reversal of 48724621 is 12642784.

It is a happy number.

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 48724621 - 2⁵ = 48724589 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 (48724651) 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, 2214745 + ... + 2214766.

It is an arithmetic number, because the mean of its divisors is an integer number (13288536).

Almost surely, 2^48724621 is an apocalyptic number.

It is an amenable number.

48724621 is a deficient number, since it is larger than the sum of its proper divisors (4429523).

48724621 is a wasteful number, since it uses less digits than its factorization.

48724621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429522.

The product of its digits is 21504, while the sum is 34.

The square root of 48724621 is about 6980.3023573481. The cubic root of 48724621 is about 365.2437753514.

The spelling of 48724621 in words is "forty-eight million, seven hundred twenty-four thousand, six hundred twenty-one".