19955048 has 8 divisors (see below), whose sum is σ = 37415730. Its totient is φ = 9977520.

The previous prime is 19955029. The next prime is 19955057. The reversal of 19955048 is 84055991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12545764 + 7409284 = 3542^2 + 2722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 19954996 and 19955014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247183 + ... + 1247198.

Almost surely, 2^19955048 is an apocalyptic number.

It is an amenable number.

19955048 is a deficient number, since it is larger than the sum of its proper divisors (17460682).

19955048 is a wasteful number, since it uses less digits than its factorization.

19955048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494387 (or 2494383 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 19955048 is about 4467.1073414459. The cubic root of 19955048 is about 271.2382449407.

The spelling of 19955048 in words is "nineteen million, nine hundred fifty-five thousand, forty-eight".