48361881 has 4 divisors (see below), whose sum is σ = 64482512. Its totient is φ = 32241252.

The previous prime is 48361877. The next prime is 48361903. The reversal of 48361881 is 18816384.

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 not a de Polignac number, because 48361881 - 2² = 48361877 is a prime.

It is a super-2 number, since 2×48361881² = 4677743067716322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48361861) 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, 8060311 + ... + 8060316.

It is an arithmetic number, because the mean of its divisors is an integer number (16120628).

Almost surely, 2^48361881 is an apocalyptic number.

It is an amenable number.

48361881 is a deficient number, since it is larger than the sum of its proper divisors (16120631).

48361881 is a wasteful number, since it uses less digits than its factorization.

48361881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120630.

The product of its digits is 36864, while the sum is 39.

The square root of 48361881 is about 6954.2707022376. The cubic root of 48361881 is about 364.3351404567.

The spelling of 48361881 in words is "forty-eight million, three hundred sixty-one thousand, eight hundred eighty-one".