55125333332 has 12 divisors (see below), whose sum is σ = 96481998900. Its totient is φ = 27559047936.

The previous prime is 55125333331. The next prime is 55125333349. The reversal of 55125333332 is 23333352155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5429331856 + 49696001476 = 73684^2 + 222926^2 .

It is a super-2 number, since 2×55125333332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55125333292 and 55125333301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125333331) 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, 870263 + ... + 931454.

It is an arithmetic number, because the mean of its divisors is an integer number (8040166575).

Almost surely, 2^55125333332 is an apocalyptic number.

It is an amenable number.

55125333332 is a deficient number, since it is larger than the sum of its proper divisors (41356665568).

55125333332 is a wasteful number, since it uses less digits than its factorization.

55125333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809370 (or 1809368 counting only the distinct ones).

The product of its digits is 121500, while the sum is 35.

Adding to 55125333332 its reverse (23333352155), we get a palindrome (78458685487).

The spelling of 55125333332 in words is "fifty-five billion, one hundred twenty-five million, three hundred thirty-three thousand, three hundred thirty-two".