3445520053 has 4 divisors (see below), whose sum is σ = 3478971808. Its totient is φ = 3412068300.

The previous prime is 3445520011. The next prime is 3445520077. The reversal of 3445520053 is 3500255443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3500255443 = 17 ⋅205897379.

It is a cyclic number.

It is not a de Polignac number, because 3445520053 - 2¹⁷ = 3445388981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3445519997 and 3445520024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445520003) 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, 16725723 + ... + 16725928.

It is an arithmetic number, because the mean of its divisors is an integer number (869742952).

Almost surely, 2^3445520053 is an apocalyptic number.

It is an amenable number.

3445520053 is a deficient number, since it is larger than the sum of its proper divisors (33451755).

3445520053 is a wasteful number, since it uses less digits than its factorization.

3445520053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33451754.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 3445520053 is about 58698.5523927124. The cubic root of 3445520053 is about 1510.3754826944.

Adding to 3445520053 its reverse (3500255443), we get a palindrome (6945775496).

The spelling of 3445520053 in words is "three billion, four hundred forty-five million, five hundred twenty thousand, fifty-three".