48171969 has 16 divisors (see below), whose sum is σ = 71515200. Its totient is φ = 32047488.

The previous prime is 48171947. The next prime is 48171983. The reversal of 48171969 is 96917184.

It is a happy number.

It is not a de Polignac number, because 48171969 - 2⁷ = 48171841 is a prime.

It is a super-2 number, since 2×48171969² = 4641077194673922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48171769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13617 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (4469700).

Almost surely, 2^48171969 is an apocalyptic number.

It is an amenable number.

48171969 is a deficient number, since it is larger than the sum of its proper divisors (23343231).

48171969 is a wasteful number, since it uses less digits than its factorization.

48171969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3735 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 48171969 is about 6940.6029277002. The cubic root of 48171969 is about 363.8576129685.

It can be divided in two parts, 4817 and 1969, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 48171969 in words is "forty-eight million, one hundred seventy-one thousand, nine hundred sixty-nine".