5521420023 has 32 divisors (see below), whose sum is σ = 8483704320. Its totient is φ = 3128906880.

The previous prime is 5521420019. The next prime is 5521420141. The reversal of 5521420023 is 3200241255.

5521420023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5521420023 - 2² = 5521420019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5521419975 and 5521420002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521420523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1507168 + ... + 1510826.

It is an arithmetic number, because the mean of its divisors is an integer number (265115760).

Almost surely, 2^5521420023 is an apocalyptic number.

5521420023 is a deficient number, since it is larger than the sum of its proper divisors (2962284297).

5521420023 is a wasteful number, since it uses less digits than its factorization.

5521420023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5521420023 is about 74306.2583030528. The cubic root of 5521420023 is about 1767.4627187416.

Adding to 5521420023 its reverse (3200241255), we get a palindrome (8721661278).

The spelling of 5521420023 in words is "five billion, five hundred twenty-one million, four hundred twenty thousand, twenty-three".