19955452 has 24 divisors (see below), whose sum is σ = 38747520. Its totient is φ = 8915760.

The previous prime is 19955447. The next prime is 19955459. The reversal of 19955452 is 25455991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19955459) 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, 1248 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (1614480).

Almost surely, 2^19955452 is an apocalyptic number.

It is an amenable number.

19955452 is a deficient number, since it is larger than the sum of its proper divisors (18792068).

19955452 is a wasteful number, since it uses less digits than its factorization.

19955452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761 (or 7759 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The square root of 19955452 is about 4467.1525606364. The cubic root of 19955452 is about 271.2400753800.

It can be divided in two parts, 1995 and 5452, that added together give a palindrome (7447).

The spelling of 19955452 in words is "nineteen million, nine hundred fifty-five thousand, four hundred fifty-two".