55625301 has 6 divisors (see below), whose sum is σ = 80347670. Its totient is φ = 37083528.

The previous prime is 55625279. The next prime is 55625303. The reversal of 55625301 is 10352655.

55625301 is a `hidden beast` number, since 5 + 5 + 625 + 30 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 6765201 = 6990^2 + 2601^2 .

It is not a de Polignac number, because 55625301 - 2⁶ = 55625237 is a prime.

It is a super-2 number, since 2×55625301² = 6188348222681202, 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 (55625303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3090286 + ... + 3090303.

Almost surely, 2^55625301 is an apocalyptic number.

It is an amenable number.

55625301 is a deficient number, since it is larger than the sum of its proper divisors (24722369).

55625301 is a wasteful number, since it uses less digits than its factorization.

55625301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180595 (or 6180592 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55625301 is about 7458.2371241467. The cubic root of 55625301 is about 381.7310246177.

Adding to 55625301 its reverse (10352655), we get a palindrome (65977956).

The spelling of 55625301 in words is "fifty-five million, six hundred twenty-five thousand, three hundred one".