5101644 has 24 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 1693840.

The previous prime is 5101643. The next prime is 5101661. The reversal of 5101644 is 4461015.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5101644.

It is not an unprimeable number, because it can be changed into a prime (5101643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 4415.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^5101644 is an apocalyptic number.

It is an amenable number.

5101644 is an abundant number, since it is smaller than the sum of its proper divisors (6849204).

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

5101644 is a wasteful number, since it uses less digits than its factorization.

5101644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5101644 is about 2258.6819165168. The cubic root of 5101644 is about 172.1485556295.

Adding to 5101644 its reverse (4461015), we get a palindrome (9562659).

The spelling of 5101644 in words is "five million, one hundred one thousand, six hundred forty-four".