48621817 has 4 divisors (see below), whose sum is σ = 51180880. Its totient is φ = 46062756.

The previous prime is 48621809. The next prime is 48621827. The reversal of 48621817 is 71812684.

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 48621817 - 2³ = 48621809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48621827) 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, 1279503 + ... + 1279540.

It is an arithmetic number, because the mean of its divisors is an integer number (12795220).

Almost surely, 2^48621817 is an apocalyptic number.

It is an amenable number.

48621817 is a deficient number, since it is larger than the sum of its proper divisors (2559063).

48621817 is a wasteful number, since it uses less digits than its factorization.

48621817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559062.

The product of its digits is 21504, while the sum is 37.

The square root of 48621817 is about 6972.9346045980. The cubic root of 48621817 is about 364.9867187261.

The spelling of 48621817 in words is "forty-eight million, six hundred twenty-one thousand, eight hundred seventeen".