48545557 has 8 divisors (see below), whose sum is σ = 51537816. Its totient is φ = 45568512.

The previous prime is 48545543. The next prime is 48545561. The reversal of 48545557 is 75554584.

It can be written as a sum of positive squares in 4 ways, for example, as 6022116 + 42523441 = 2454^2 + 6521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48545557 is a prime.

It is a super-4 number, since 4×48545557⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48545257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (6442227).

Almost surely, 2^48545557 is an apocalyptic number.

It is an amenable number.

48545557 is a deficient number, since it is larger than the sum of its proper divisors (2992259).

48545557 is a wasteful number, since it uses less digits than its factorization.

48545557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607.

The product of its digits is 560000, while the sum is 43.

The square root of 48545557 is about 6967.4641728537. The cubic root of 48545557 is about 364.7957999614.

The spelling of 48545557 in words is "forty-eight million, five hundred forty-five thousand, five hundred fifty-seven".