55625357 has 2 divisors, whose sum is σ = 55625358. Its totient is φ = 55625356.

The previous prime is 55625347. The next prime is 55625363. The reversal of 55625357 is 75352655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34703881 + 20921476 = 5891^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 55625357 - 2¹² = 55621261 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55625357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55625347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27812678 + 27812679.

It is an arithmetic number, because the mean of its divisors is an integer number (27812679).

Almost surely, 2^55625357 is an apocalyptic number.

It is an amenable number.

55625357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55625357 is an equidigital number, since it uses as much as digits as its factorization.

55625357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 38.

The square root of 55625357 is about 7458.2408783841. The cubic root of 55625357 is about 381.7311527184.

The spelling of 55625357 in words is "fifty-five million, six hundred twenty-five thousand, three hundred fifty-seven".