48420161 has 12 divisors (see below), whose sum is σ = 50364972. Its totient is φ = 46545408.

The previous prime is 48420157. The next prime is 48420167. The reversal of 48420161 is 16102484.

It can be written as a sum of positive squares in 6 ways, for example, as 2383936 + 46036225 = 1544^2 + 6785^2 .

It is not a de Polignac number, because 48420161 - 2² = 48420157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48420161.

It is not an unprimeable number, because it can be changed into a prime (48420167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154541 + ... + 154853.

It is an arithmetic number, because the mean of its divisors is an integer number (4197081).

Almost surely, 2^48420161 is an apocalyptic number.

It is an amenable number.

48420161 is a deficient number, since it is larger than the sum of its proper divisors (1944811).

48420161 is a wasteful number, since it uses less digits than its factorization.

48420161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 48420161 is about 6958.4596715078. The cubic root of 48420161 is about 364.4814328666.

The spelling of 48420161 in words is "forty-eight million, four hundred twenty thousand, one hundred sixty-one".