48655981 has 4 divisors (see below), whose sum is σ = 53079264. Its totient is φ = 44232700.

The previous prime is 48655969. The next prime is 48655987. The reversal of 48655981 is 18955684.

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 48655981 - 2⁹ = 48655469 is a prime.

It is a super-2 number, since 2×48655981² = 4734808974144722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48655987) 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, 2211625 + ... + 2211646.

It is an arithmetic number, because the mean of its divisors is an integer number (13269816).

Almost surely, 2^48655981 is an apocalyptic number.

It is an amenable number.

48655981 is a deficient number, since it is larger than the sum of its proper divisors (4423283).

48655981 is a wasteful number, since it uses less digits than its factorization.

48655981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423282.

The product of its digits is 345600, while the sum is 46.

The square root of 48655981 is about 6975.3839320857. The cubic root of 48655981 is about 365.0721843849.

The spelling of 48655981 in words is "forty-eight million, six hundred fifty-five thousand, nine hundred eighty-one".