19500048 has 40 divisors (see below), whose sum is σ = 55973600. Its totient is φ = 6499872.

The previous prime is 19500043. The next prime is 19500049. The reversal of 19500048 is 84000591.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 19499994 and 19500030.

It is not an unprimeable number, because it can be changed into a prime (19500043) 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, 22138 + ... + 23001.

It is an arithmetic number, because the mean of its divisors is an integer number (1399340).

Almost surely, 2^19500048 is an apocalyptic number.

19500048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19500048 is an abundant number, since it is smaller than the sum of its proper divisors (36473552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19500048 is a wasteful number, since it uses less digits than its factorization.

19500048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45156 (or 45144 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 19500048 is about 4415.8858680903. The cubic root of 19500048 is about 269.1608514539.

The spelling of 19500048 in words is "nineteen million, five hundred thousand, forty-eight".