5544015644 has 24 divisors (see below), whose sum is σ = 9820521648. Its totient is φ = 2738278400.

The previous prime is 5544015641. The next prime is 5544015647. The reversal of 5544015644 is 4465104455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5544015641) and next prime (5544015647).

It is a super-2 number, since 2×5544015644² = 61472218921833469472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5544015598 and 5544015607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544015641) 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, 163484 + ... + 194460.

It is an arithmetic number, because the mean of its divisors is an integer number (409188402).

Almost surely, 2^5544015644 is an apocalyptic number.

It is an amenable number.

5544015644 is a deficient number, since it is larger than the sum of its proper divisors (4276506004).

5544015644 is a wasteful number, since it uses less digits than its factorization.

5544015644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31525 (or 31523 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5544015644 is about 74458.1469283248. The cubic root of 5544015644 is about 1769.8704666503.

The spelling of 5544015644 in words is "five billion, five hundred forty-four million, fifteen thousand, six hundred forty-four".