48915729 has 6 divisors (see below), whose sum is σ = 70656066. Its totient is φ = 32610480.

The previous prime is 48915697. The next prime is 48915743. The reversal of 48915729 is 92751984.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 9828225 = 6252^2 + 3135^2 .

It is not a de Polignac number, because 48915729 - 2⁵ = 48915697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48915929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2717532 + ... + 2717549.

It is an arithmetic number, because the mean of its divisors is an integer number (11776011).

Almost surely, 2^48915729 is an apocalyptic number.

It is an amenable number.

48915729 is a deficient number, since it is larger than the sum of its proper divisors (21740337).

48915729 is a wasteful number, since it uses less digits than its factorization.

48915729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435087 (or 5435084 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 48915729 is about 6993.9780525821. The cubic root of 48915729 is about 365.7206728374.

The spelling of 48915729 in words is "forty-eight million, nine hundred fifteen thousand, seven hundred twenty-nine".