55225022532 has 24 divisors (see below), whose sum is σ = 128901096576. Its totient is φ = 18402239328.

The previous prime is 55225022491. The next prime is 55225022533. The reversal of 55225022532 is 23522052255.

It is a happy number.

It is a super-2 number, since 2×55225022532² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55225022493 and 55225022502.

It is not an unprimeable number, because it can be changed into a prime (55225022533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724903 + ... + 797454.

It is an arithmetic number, because the mean of its divisors is an integer number (5370879024).

Almost surely, 2^55225022532 is an apocalyptic number.

It is an amenable number.

55225022532 is an abundant number, since it is smaller than the sum of its proper divisors (73676074044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55225022532 is a wasteful number, since it uses less digits than its factorization.

55225022532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525387 (or 1525385 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 55225022532 its reverse (23522052255), we get a palindrome (78747074787).

The spelling of 55225022532 in words is "fifty-five billion, two hundred twenty-five million, twenty-two thousand, five hundred thirty-two".