5421635557 has 8 divisors (see below), whose sum is σ = 5843619936. Its totient is φ = 5000356272.

The previous prime is 5421635507. The next prime is 5421635581. The reversal of 5421635557 is 7555361245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5421635557 - 2¹¹ = 5421633509 is a prime.

It is a super-2 number, since 2×5421635557² = 58788264225853400498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421635507) 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, 160243 + ... + 191104.

It is an arithmetic number, because the mean of its divisors is an integer number (730452492).

Almost surely, 2^5421635557 is an apocalyptic number.

It is an amenable number.

5421635557 is a deficient number, since it is larger than the sum of its proper divisors (421984379).

5421635557 is a wasteful number, since it uses less digits than its factorization.

5421635557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352547.

The product of its digits is 630000, while the sum is 43.

The square root of 5421635557 is about 73631.7564438062. The cubic root of 5421635557 is about 1756.7505855505.

The spelling of 5421635557 in words is "five billion, four hundred twenty-one million, six hundred thirty-five thousand, five hundred fifty-seven".