48861397 has 4 divisors (see below), whose sum is σ = 52619980. Its totient is φ = 45102816.

The previous prime is 48861391. The next prime is 48861401. The reversal of 48861397 is 79316884.

It is a happy number.

48861397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13351716 + 35509681 = 3654^2 + 5959^2 .

It is a cyclic number.

It is not a de Polignac number, because 48861397 - 2¹⁹ = 48337109 is a prime.

It is a super-2 number, since 2×48861397² = 4774872233583218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48861391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879272 + ... + 1879297.

It is an arithmetic number, because the mean of its divisors is an integer number (13154995).

Almost surely, 2^48861397 is an apocalyptic number.

It is an amenable number.

48861397 is a deficient number, since it is larger than the sum of its proper divisors (3758583).

48861397 is a wasteful number, since it uses less digits than its factorization.

48861397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758582.

The product of its digits is 290304, while the sum is 46.

The square root of 48861397 is about 6990.0927747777. The cubic root of 48861397 is about 365.5852174506.

The spelling of 48861397 in words is "forty-eight million, eight hundred sixty-one thousand, three hundred ninety-seven".