48391537 has 16 divisors (see below), whose sum is σ = 54250560. Its totient is φ = 42895872.

The previous prime is 48391463. The next prime is 48391547. The reversal of 48391537 is 73519384.

48391537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48391537 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 48391537.

It is not an unprimeable number, because it can be changed into a prime (48391547) 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 15 ways as a sum of consecutive naturals, for example, 74938 + ... + 75580.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^48391537 is an apocalyptic number.

It is an amenable number.

48391537 is a deficient number, since it is larger than the sum of its proper divisors (5859023).

48391537 is a wasteful number, since it uses less digits than its factorization.

48391537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its digits is 90720, while the sum is 40.

The square root of 48391537 is about 6956.4025904199. The cubic root of 48391537 is about 364.4095965844.

The spelling of 48391537 in words is "forty-eight million, three hundred ninety-one thousand, five hundred thirty-seven".