55245530 has 8 divisors (see below), whose sum is σ = 99441972. Its totient is φ = 22098208.

The previous prime is 55245511. The next prime is 55245577. The reversal of 55245530 is 3554255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51136801 + 4108729 = 7151^2 + 2027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55245493 and 55245502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762267 + ... + 2762286.

Almost surely, 2^55245530 is an apocalyptic number.

55245530 is a deficient number, since it is larger than the sum of its proper divisors (44196442).

55245530 is a wasteful number, since it uses less digits than its factorization.

55245530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524560.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55245530 is about 7432.7336828384. The cubic root of 55245530 is about 380.8603084358.

Adding to 55245530 its reverse (3554255), we get a palindrome (58799785).

The spelling of 55245530 in words is "fifty-five million, two hundred forty-five thousand, five hundred thirty".