55025242 has 8 divisors (see below), whose sum is σ = 82859796. Its totient is φ = 27405312.

The previous prime is 55025231. The next prime is 55025249. The reversal of 55025242 is 24252055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43046721 + 11978521 = 6561^2 + 3461^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55025249) 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, 53013 + ... + 54040.

Almost surely, 2^55025242 is an apocalyptic number.

55025242 is a deficient number, since it is larger than the sum of its proper divisors (27834554).

55025242 is a wasteful number, since it uses less digits than its factorization.

55025242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107312.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 55025242 is about 7417.9001071732. The cubic root of 55025242 is about 380.3534154364.

Adding to 55025242 its reverse (24252055), we get a palindrome (79277297).

The spelling of 55025242 in words is "fifty-five million, twenty-five thousand, two hundred forty-two".