48121537 has 4 divisors (see below), whose sum is σ = 48152880. Its totient is φ = 48090196.

The previous prime is 48121523. The next prime is 48121553. The reversal of 48121537 is 73512184.

48121537 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48121537 - 2¹⁵ = 48088769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48121499 and 48121508.

It is not an unprimeable number, because it can be changed into a prime (48121637) 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, 13243 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (12038220).

Almost surely, 2^48121537 is an apocalyptic number.

It is an amenable number.

48121537 is a deficient number, since it is larger than the sum of its proper divisors (31343).

48121537 is a wasteful number, since it uses less digits than its factorization.

48121537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31342.

The product of its digits is 6720, while the sum is 31.

The square root of 48121537 is about 6936.9688625508. The cubic root of 48121537 is about 363.7305925255.

The spelling of 48121537 in words is "forty-eight million, one hundred twenty-one thousand, five hundred thirty-seven".