55250452 has 24 divisors (see below), whose sum is σ = 102470760. Its totient is φ = 26019840.

The previous prime is 55250449. The next prime is 55250453. The reversal of 55250452 is 25405255.

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 55145476 = 324^2 + 7426^2 .

It is a super-2 number, since 2×55250452² = 6105224892408608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55250452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55250453) 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, 1053 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (4269615).

Almost surely, 2^55250452 is an apocalyptic number.

It is an amenable number.

55250452 is a deficient number, since it is larger than the sum of its proper divisors (47220308).

55250452 is a wasteful number, since it uses less digits than its factorization.

55250452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691 (or 11689 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55250452 is about 7433.0647784074. The cubic root of 55250452 is about 380.8716187853.

The spelling of 55250452 in words is "fifty-five million, two hundred fifty thousand, four hundred fifty-two".