48578981 has 8 divisors (see below), whose sum is σ = 53742528. Its totient is φ = 43540000.

The previous prime is 48578977. The next prime is 48578983. The reversal of 48578981 is 18987584.

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

It is a cyclic number.

It is not a de Polignac number, because 48578981 - 2² = 48578977 is a prime.

It is a super-2 number, since 2×48578981² = 4719834789996722, 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 (48578983) 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, 30320 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (6717816).

Almost surely, 2^48578981 is an apocalyptic number.

It is an amenable number.

48578981 is a deficient number, since it is larger than the sum of its proper divisors (5163547).

48578981 is a wasteful number, since it uses less digits than its factorization.

48578981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62283.

The product of its digits is 645120, while the sum is 50.

The square root of 48578981 is about 6969.8623372345. The cubic root of 48578981 is about 364.8795023524.

The spelling of 48578981 in words is "forty-eight million, five hundred seventy-eight thousand, nine hundred eighty-one".