55225610 has 24 divisors (see below), whose sum is σ = 109266948. Its totient is φ = 20081600.

The previous prime is 55225603. The next prime is 55225619. The reversal of 55225610 is 1652255.

It can be written as a sum of positive squares in 2 ways, for example, as 54804409 + 421201 = 7403^2 + 649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55225610.

It is not an unprimeable number, because it can be changed into a prime (55225619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21611 + ... + 24030.

Almost surely, 2^55225610 is an apocalyptic number.

55225610 is a deficient number, since it is larger than the sum of its proper divisors (54041338).

55225610 is a wasteful number, since it uses less digits than its factorization.

55225610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45670 (or 45659 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55225610 is about 7431.3935436094. The cubic root of 55225610 is about 380.8145270583.

Adding to 55225610 its reverse (1652255), we get a palindrome (56877865).

It can be divided in two parts, 552 and 25610, that added together give a palindrome (26162).

The spelling of 55225610 in words is "fifty-five million, two hundred twenty-five thousand, six hundred ten".