48981861 has 8 divisors (see below), whose sum is σ = 72565760. Its totient is φ = 32654556.

The previous prime is 48981853. The next prime is 48981871. The reversal of 48981861 is 16818984.

It is not a de Polignac number, because 48981861 - 2³ = 48981853 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 (48981851) 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, 907045 + ... + 907098.

It is an arithmetic number, because the mean of its divisors is an integer number (9070720).

Almost surely, 2^48981861 is an apocalyptic number.

It is an amenable number.

48981861 is a deficient number, since it is larger than the sum of its proper divisors (23583899).

48981861 is a wasteful number, since it uses less digits than its factorization.

48981861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814152 (or 1814146 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 48981861 is about 6998.7042372142. The cubic root of 48981861 is about 365.8854115884.

The spelling of 48981861 in words is "forty-eight million, nine hundred eighty-one thousand, eight hundred sixty-one".