19920053 has 4 divisors (see below), whose sum is σ = 19941420. Its totient is φ = 19898688.

The previous prime is 19920031. The next prime is 19920059. The reversal of 19920053 is 35002991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35002991 = 643 ⋅54437.

It can be written as a sum of positive squares in 2 ways, for example, as 18852964 + 1067089 = 4342^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 19920053 - 2⁶ = 19919989 is a prime.

It is a super-3 number, since 3×19920053³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19919998 and 19920025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19920059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9218 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (4985355).

Almost surely, 2^19920053 is an apocalyptic number.

It is an amenable number.

19920053 is a deficient number, since it is larger than the sum of its proper divisors (21367).

19920053 is an equidigital number, since it uses as much as digits as its factorization.

19920053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21366.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 19920053 is about 4463.1886583473. The cubic root of 19920053 is about 271.0795960871.

The spelling of 19920053 in words is "nineteen million, nine hundred twenty thousand, fifty-three".