48755639 has 2 divisors, whose sum is σ = 48755640. Its totient is φ = 48755638.

The previous prime is 48755621. The next prime is 48755647. The reversal of 48755639 is 93655784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48755639 - 2⁸ = 48755383 is a prime.

It is a super-2 number, since 2×48755639² = 4754224668596642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48755593 and 48755602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48755689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24377819 + 24377820.

It is an arithmetic number, because the mean of its divisors is an integer number (24377820).

Almost surely, 2^48755639 is an apocalyptic number.

48755639 is a deficient number, since it is larger than the sum of its proper divisors (1).

48755639 is an equidigital number, since it uses as much as digits as its factorization.

48755639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 48755639 is about 6982.5238273851. The cubic root of 48755639 is about 365.3212634058.

It can be divided in two parts, 48755 and 639, that added together give a palindrome (49394).

The spelling of 48755639 in words is "forty-eight million, seven hundred fifty-five thousand, six hundred thirty-nine".