55862644 has 12 divisors (see below), whose sum is σ = 97939044. Its totient is φ = 27880064.

The previous prime is 55862621. The next prime is 55862647. The reversal of 55862644 is 44626855.

55862644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12460900 + 43401744 = 3530^2 + 6588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55862597 and 55862606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55862647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10309 + ... + 14764.

It is an arithmetic number, because the mean of its divisors is an integer number (8161587).

Almost surely, 2^55862644 is an apocalyptic number.

It is an amenable number.

55862644 is a deficient number, since it is larger than the sum of its proper divisors (42076400).

55862644 is a wasteful number, since it uses less digits than its factorization.

55862644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634 (or 25632 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 55862644 is about 7474.1316552493. The cubic root of 55862644 is about 382.2731797759.

The spelling of 55862644 in words is "fifty-five million, eight hundred sixty-two thousand, six hundred forty-four".