55444000501 has 32 divisors (see below), whose sum is σ = 58379263488. Its totient is φ = 52616528640.

The previous prime is 55444000499. The next prime is 55444000511. The reversal of 55444000501 is 10500044455.

55444000501 is a nontrivial binomial coefficient, being equal to C(332999, 2).

It is a cyclic number.

It is not a de Polignac number, because 55444000501 - 2¹ = 55444000499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55444000501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444000511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55610335 + ... + 55611331.

It is an arithmetic number, because the mean of its divisors is an integer number (1824351984).

Almost surely, 2^55444000501 is an apocalyptic number.

55444000501 is the 332998-th triangular number.

55444000501 is the 111000-th centered nonagonal number.

It is an amenable number.

55444000501 is a deficient number, since it is larger than the sum of its proper divisors (2935262987).

55444000501 is a wasteful number, since it uses less digits than its factorization.

55444000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 55444000501 its reverse (10500044455), we get a palindrome (65944044956).

The spelling of 55444000501 in words is "fifty-five billion, four hundred forty-four million, five hundred one", and thus it is an aban number.