48640169 has 4 divisors (see below), whose sum is σ = 49011600. Its totient is φ = 48268740.

The previous prime is 48640153. The next prime is 48640187. The reversal of 48640169 is 96104684.

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 48640169 - 2⁴ = 48640153 is a prime.

It is a super-2 number, since 2×48640169² = 4731732080697122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48640129) 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, 185519 + ... + 185780.

It is an arithmetic number, because the mean of its divisors is an integer number (12252900).

Almost surely, 2^48640169 is an apocalyptic number.

It is an amenable number.

48640169 is a deficient number, since it is larger than the sum of its proper divisors (371431).

48640169 is a wasteful number, since it uses less digits than its factorization.

48640169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371430.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 48640169 is about 6974.2504256730. The cubic root of 48640169 is about 365.0326335994.

The spelling of 48640169 in words is "forty-eight million, six hundred forty thousand, one hundred sixty-nine".