55425253 has 8 divisors (see below), whose sum is σ = 63200088. Its totient is φ = 48152064.

The previous prime is 55425247. The next prime is 55425263. The reversal of 55425253 is 35252455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15697444 + 39727809 = 3962^2 + 6303^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55425253 - 2¹⁷ = 55294181 is a prime.

It is a super-2 number, since 2×55425253² = 6143917340228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55425203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125176 + ... + 125617.

It is an arithmetic number, because the mean of its divisors is an integer number (7900011).

Almost surely, 2^55425253 is an apocalyptic number.

It is an amenable number.

55425253 is a deficient number, since it is larger than the sum of its proper divisors (7774835).

55425253 is a wasteful number, since it uses less digits than its factorization.

55425253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250823.

The product of its digits is 30000, while the sum is 31.

The square root of 55425253 is about 7444.8138324608. The cubic root of 55425253 is about 381.2728622678.

The spelling of 55425253 in words is "fifty-five million, four hundred twenty-five thousand, two hundred fifty-three".