48671557 has 4 divisors (see below), whose sum is σ = 53096256. Its totient is φ = 44246860.

The previous prime is 48671549. The next prime is 48671563. The reversal of 48671557 is 75517684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48671557 - 2³ = 48671549 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 (48671507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212333 + ... + 2212354.

It is an arithmetic number, because the mean of its divisors is an integer number (13274064).

Almost surely, 2^48671557 is an apocalyptic number.

It is an amenable number.

48671557 is a deficient number, since it is larger than the sum of its proper divisors (4424699).

48671557 is a wasteful number, since it uses less digits than its factorization.

48671557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424698.

The product of its digits is 235200, while the sum is 43.

The square root of 48671557 is about 6976.5003404286. The cubic root of 48671557 is about 365.1111364832. Note that the first 4 decimals are identical.

The spelling of 48671557 in words is "forty-eight million, six hundred seventy-one thousand, five hundred fifty-seven".