55784952325 has 24 divisors (see below), whose sum is σ = 69448936680. Its totient is φ = 44450515200.

The previous prime is 55784952241. The next prime is 55784952329. The reversal of 55784952325 is 52325948755.

It can be written as a sum of positive squares in 12 ways, for example, as 25719819876 + 30065132449 = 160374^2 + 173393^2 .

It is not a de Polignac number, because 55784952325 - 2⁹ = 55784951813 is a prime.

It is a super-2 number, since 2×55784952325² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55784952329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7121511 + ... + 7129339.

It is an arithmetic number, because the mean of its divisors is an integer number (2893705695).

Almost surely, 2^55784952325 is an apocalyptic number.

It is an amenable number.

55784952325 is a deficient number, since it is larger than the sum of its proper divisors (13663984355).

55784952325 is a wasteful number, since it uses less digits than its factorization.

55784952325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937 (or 8932 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 55.

The spelling of 55784952325 in words is "fifty-five billion, seven hundred eighty-four million, nine hundred fifty-two thousand, three hundred twenty-five".