5244554520 has 128 divisors (see below), whose sum is σ = 17501184000. Its totient is φ = 1397001600.

The previous prime is 5244554509. The next prime is 5244554521. The reversal of 5244554520 is 254554425.

5244554520 is a `hidden beast` number, since 52 + 4 + 4 + 554 + 52 + 0 = 666.

It is a super-2 number, since 2×5244554520² = 55010704226504860800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244554521) 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, 1240971 + ... + 1245189.

It is an arithmetic number, because the mean of its divisors is an integer number (136728000).

Almost surely, 2^5244554520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5244554520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8750592000).

5244554520 is an abundant number, since it is smaller than the sum of its proper divisors (12256629480).

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

5244554520 is a wasteful number, since it uses less digits than its factorization.

5244554520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5244554520 is about 72419.2965997323. The cubic root of 5244554520 is about 1737.4122055599.

The spelling of 5244554520 in words is "five billion, two hundred forty-four million, five hundred fifty-four thousand, five hundred twenty".