48891904 has 24 divisors (see below), whose sum is σ = 97764030. Its totient is φ = 24444928.

The previous prime is 48891877. The next prime is 48891907. The reversal of 48891904 is 40919884.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 1557504 = 6880^2 + 1248^2 .

It is not an unprimeable number, because it can be changed into a prime (48891907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9889 + ... + 13984.

Almost surely, 2^48891904 is an apocalyptic number.

It is an amenable number.

48891904 is a deficient number, since it is larger than the sum of its proper divisors (48872126).

48891904 is an equidigital number, since it uses as much as digits as its factorization.

48891904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23895 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 48891904 is about 6992.2745941503. The cubic root of 48891904 is about 365.6612869627.

The spelling of 48891904 in words is "forty-eight million, eight hundred ninety-one thousand, nine hundred four".