48400137 has 12 divisors (see below), whose sum is σ = 69974580. Its totient is φ = 32237568.

The previous prime is 48400133. The next prime is 48400147. The reversal of 48400137 is 73100484.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 4562496 = 6621^2 + 2136^2 .

It is not a de Polignac number, because 48400137 - 2² = 48400133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48400137.

It is not an unprimeable number, because it can be changed into a prime (48400133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13689 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (5831215).

Almost surely, 2^48400137 is an apocalyptic number.

It is an amenable number.

48400137 is a deficient number, since it is larger than the sum of its proper divisors (21574443).

48400137 is a wasteful number, since it uses less digits than its factorization.

48400137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872 (or 4869 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 48400137 is about 6957.0206985462. The cubic root of 48400137 is about 364.4311825689.

The spelling of 48400137 in words is "forty-eight million, four hundred thousand, one hundred thirty-seven".