19952053 has 6 divisors (see below), whose sum is σ = 21930902. Its totient is φ = 18138120.

The previous prime is 19952047. The next prime is 19952077. The reversal of 19952053 is 35025991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15944049 + 4008004 = 3993^2 + 2002^2 .

It is not a de Polignac number, because 19952053 - 2⁵ = 19952021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19952353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82326 + ... + 82567.

Almost surely, 2^19952053 is an apocalyptic number.

It is an amenable number.

19952053 is a deficient number, since it is larger than the sum of its proper divisors (1978849).

19952053 is a wasteful number, since it uses less digits than its factorization.

19952053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164915 (or 164904 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 19952053 is about 4466.7721007457. The cubic root of 19952053 is about 271.2246744532.

The spelling of 19952053 in words is "nineteen million, nine hundred fifty-two thousand, fifty-three".