55284000749 has 4 divisors (see below), whose sum is σ = 55284659100. Its totient is φ = 55283342400.

The previous prime is 55284000743. The next prime is 55284000781. The reversal of 55284000749 is 94700048255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16697291524 + 38586709225 = 129218^2 + 196435^2 .

It is a cyclic number.

It is not a de Polignac number, because 55284000749 - 2¹² = 55283996653 is a prime.

It is a super-2 number, since 2×55284000749² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55284000743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180974 + ... + 378575.

It is an arithmetic number, because the mean of its divisors is an integer number (13821164775).

Almost surely, 2^55284000749 is an apocalyptic number.

It is an amenable number.

55284000749 is a deficient number, since it is larger than the sum of its proper divisors (658351).

55284000749 is an equidigital number, since it uses as much as digits as its factorization.

55284000749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658350.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 55284000749 in words is "fifty-five billion, two hundred eighty-four million, seven hundred forty-nine", and thus it is an aban number.