48619645 has 12 divisors (see below), whose sum is σ = 59889564. Its totient is φ = 37869120.

The previous prime is 48619633. The next prime is 48619661. The reversal of 48619645 is 54691684.

It can be written as a sum of positive squares in 2 ways, for example, as 8538084 + 40081561 = 2922^2 + 6331^2 .

It is not a de Polignac number, because 48619645 - 2²¹ = 46522493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99592 + ... + 100078.

It is an arithmetic number, because the mean of its divisors is an integer number (4990797).

Almost surely, 2^48619645 is an apocalyptic number.

It is an amenable number.

48619645 is a deficient number, since it is larger than the sum of its proper divisors (11269919).

48619645 is an frugal number, since it uses more digits than its factorization.

48619645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 533 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 48619645 is about 6972.7788578156. The cubic root of 48619645 is about 364.9812838342.

The spelling of 48619645 in words is "forty-eight million, six hundred nineteen thousand, six hundred forty-five".