48511621 has 8 divisors (see below), whose sum is σ = 50220800. Its totient is φ = 46811520.

The previous prime is 48511597. The next prime is 48511627. The reversal of 48511621 is 12611584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48511621 - 2⁹ = 48511109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48511621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48511627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9685 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (6277600).

Almost surely, 2^48511621 is an apocalyptic number.

It is an amenable number.

48511621 is a deficient number, since it is larger than the sum of its proper divisors (1709179).

48511621 is a wasteful number, since it uses less digits than its factorization.

48511621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539.

The product of its digits is 1920, while the sum is 28.

The square root of 48511621 is about 6965.0284277955. The cubic root of 48511621 is about 364.7107760729.

The spelling of 48511621 in words is "forty-eight million, five hundred eleven thousand, six hundred twenty-one".