48180997 has 4 divisors (see below), whose sum is σ = 48196620. Its totient is φ = 48165376.

The previous prime is 48180991. The next prime is 48181013. The reversal of 48180997 is 79908184.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44076321 + 4104676 = 6639^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 48180997 - 2³ = 48180989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48180991) 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, 1468 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (12049155).

Almost surely, 2^48180997 is an apocalyptic number.

It is an amenable number.

48180997 is a deficient number, since it is larger than the sum of its proper divisors (15623).

48180997 is a wasteful number, since it uses less digits than its factorization.

48180997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15622.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 48180997 is about 6941.2532730048. The cubic root of 48180997 is about 363.8803419635.

The spelling of 48180997 in words is "forty-eight million, one hundred eighty thousand, nine hundred ninety-seven".