48172569 has 4 divisors (see below), whose sum is σ = 64230096. Its totient is φ = 32115044.

The previous prime is 48172559. The next prime is 48172571. The reversal of 48172569 is 96527184.

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 48172569 - 2⁹ = 48172057 is a prime.

It is a super-2 number, since 2×48172569² = 4641192808119522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48172569.

It is not an unprimeable number, because it can be changed into a prime (48172519) 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, 8028759 + ... + 8028764.

It is an arithmetic number, because the mean of its divisors is an integer number (16057524).

Almost surely, 2^48172569 is an apocalyptic number.

It is an amenable number.

48172569 is a deficient number, since it is larger than the sum of its proper divisors (16057527).

48172569 is a wasteful number, since it uses less digits than its factorization.

48172569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16057526.

The product of its digits is 120960, while the sum is 42.

The square root of 48172569 is about 6940.6461514761. The cubic root of 48172569 is about 363.8591236233.

The spelling of 48172569 in words is "forty-eight million, one hundred seventy-two thousand, five hundred sixty-nine".