55378852 has 24 divisors (see below), whose sum is σ = 99796536. Its totient is φ = 26876928.

The previous prime is 55378819. The next prime is 55378853. The reversal of 55378852 is 25887355.

It can be written as a sum of positive squares in 4 ways, for example, as 9897316 + 45481536 = 3146^2 + 6744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55378799 and 55378808.

It is not an unprimeable number, because it can be changed into a prime (55378853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19218 + ... + 21910.

It is an arithmetic number, because the mean of its divisors is an integer number (4158189).

Almost surely, 2^55378852 is an apocalyptic number.

It is an amenable number.

55378852 is a deficient number, since it is larger than the sum of its proper divisors (44417684).

55378852 is a wasteful number, since it uses less digits than its factorization.

55378852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847 (or 2845 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 55378852 is about 7441.6968495095. The cubic root of 55378852 is about 381.1664343587.

The spelling of 55378852 in words is "fifty-five million, three hundred seventy-eight thousand, eight hundred fifty-two".