52551644 has 24 divisors (see below), whose sum is σ = 98179200. Its totient is φ = 24539760.

The previous prime is 52551643. The next prime is 52551661. The reversal of 52551644 is 44615525.

It is a self number, because there is not a number n which added to its sum of digits gives 52551644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52551643) 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, 527 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (4090800).

Almost surely, 2^52551644 is an apocalyptic number.

It is an amenable number.

52551644 is a deficient number, since it is larger than the sum of its proper divisors (45627556).

52551644 is a wasteful number, since it uses less digits than its factorization.

52551644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833 (or 9831 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 52551644 is about 7249.2512716832. The cubic root of 52551644 is about 374.5663585922.

The spelling of 52551644 in words is "fifty-two million, five hundred fifty-one thousand, six hundred forty-four".