48723557 has 6 divisors (see below), whose sum is σ = 49566918. Its totient is φ = 47894312.

The previous prime is 48723553. The next prime is 48723559. The reversal of 48723557 is 75532784.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 7365796 = 6431^2 + 2714^2 .

It is not a de Polignac number, because 48723557 - 2² = 48723553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48723553) 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, 3518 + ... + 10479.

It is an arithmetic number, because the mean of its divisors is an integer number (8261153).

Almost surely, 2^48723557 is an apocalyptic number.

It is an amenable number.

48723557 is a deficient number, since it is larger than the sum of its proper divisors (843361).

48723557 is an equidigital number, since it uses as much as digits as its factorization.

48723557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115 (or 14056 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 48723557 is about 6980.2261424685. The cubic root of 48723557 is about 365.2411167215.

The spelling of 48723557 in words is "forty-eight million, seven hundred twenty-three thousand, five hundred fifty-seven".