48515769 has 24 divisors (see below), whose sum is σ = 72825480. Its totient is φ = 31097088.

The previous prime is 48515749. The next prime is 48515777. The reversal of 48515769 is 96751584.

48515769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1071225 + 47444544 = 1035^2 + 6888^2 .

It is not a de Polignac number, because 48515769 - 2¹⁹ = 47991481 is a prime.

It is a super-2 number, since 2×48515769² = 4707559683322722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48515749) 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 23 ways as a sum of consecutive naturals, for example, 28819 + ... + 30455.

It is an arithmetic number, because the mean of its divisors is an integer number (3034395).

Almost surely, 2^48515769 is an apocalyptic number.

It is an amenable number.

48515769 is a deficient number, since it is larger than the sum of its proper divisors (24309711).

48515769 is a wasteful number, since it uses less digits than its factorization.

48515769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1766 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 48515769 is about 6965.3261948024. The cubic root of 48515769 is about 364.7211706763.

Adding to 48515769 its product of digits (302400), we get a square (48818169 = 6987²).

It can be divided in two parts, 48515 and 769, that added together give a square (49284 = 222²).

The spelling of 48515769 in words is "forty-eight million, five hundred fifteen thousand, seven hundred sixty-nine".