5512644 has 24 divisors (see below), whose sum is σ = 14292320. Its totient is φ = 1837512.

The previous prime is 5512627. The next prime is 5512649. The reversal of 5512644 is 4462155.

5512644 is a `hidden beast` number, since 5 + 5 + 12 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5512649) 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, 25414 + ... + 25629.

Almost surely, 2^5512644 is an apocalyptic number.

5512644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5512644 is an abundant number, since it is smaller than the sum of its proper divisors (8779676).

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

5512644 is a wasteful number, since it uses less digits than its factorization.

5512644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51056 (or 51048 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 5512644 is about 2347.9020422496. The cubic root of 5512644 is about 176.6525790752.

Adding to 5512644 its reverse (4462155), we get a palindrome (9974799).

The spelling of 5512644 in words is "five million, five hundred twelve thousand, six hundred forty-four".