48121657 has 4 divisors (see below), whose sum is σ = 48701520. Its totient is φ = 47541796.

The previous prime is 48121651. The next prime is 48121663. The reversal of 48121657 is 75612184.

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 an interprime number because it is at equal distance from previous prime (48121651) and next prime (48121663).

It is a cyclic number.

It is not a de Polignac number, because 48121657 - 2³ = 48121649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48121651) 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, 289807 + ... + 289972.

It is an arithmetic number, because the mean of its divisors is an integer number (12175380).

Almost surely, 2^48121657 is an apocalyptic number.

It is an amenable number.

48121657 is a deficient number, since it is larger than the sum of its proper divisors (579863).

48121657 is an equidigital number, since it uses as much as digits as its factorization.

48121657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579862.

The product of its digits is 13440, while the sum is 34.

The square root of 48121657 is about 6936.9775118563. The cubic root of 48121657 is about 363.7308948685.

The spelling of 48121657 in words is "forty-eight million, one hundred twenty-one thousand, six hundred fifty-seven".