5155420544 has 32 divisors (see below), whose sum is σ = 10874719800. Its totient is φ = 2426079232.

The previous prime is 5155420541. The next prime is 5155420549. The reversal of 5155420544 is 4450245515.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155420541) 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, 1182434 + ... + 1186785.

Almost surely, 2^5155420544 is an apocalyptic number.

It is an amenable number.

5155420544 is an abundant number, since it is smaller than the sum of its proper divisors (5719299256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5155420544 is a wasteful number, since it uses less digits than its factorization.

5155420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369250 (or 2369238 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 5155420544 is about 71801.2572591873. The cubic root of 5155420544 is about 1727.5131658965.

The spelling of 5155420544 in words is "five billion, one hundred fifty-five million, four hundred twenty thousand, five hundred forty-four".