55597453 has 2 divisors, whose sum is σ = 55597454. Its totient is φ = 55597452.

The previous prime is 55597427. The next prime is 55597481. The reversal of 55597453 is 35479555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 18472804 = 6093^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 55597453 - 2⁹ = 55596941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55598453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27798726 + 27798727.

It is an arithmetic number, because the mean of its divisors is an integer number (27798727).

Almost surely, 2^55597453 is an apocalyptic number.

It is an amenable number.

55597453 is a deficient number, since it is larger than the sum of its proper divisors (1).

55597453 is an equidigital number, since it uses as much as digits as its factorization.

55597453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472500, while the sum is 43.

The square root of 55597453 is about 7456.3699613150. The cubic root of 55597453 is about 381.6673112842.

The spelling of 55597453 in words is "fifty-five million, five hundred ninety-seven thousand, four hundred fifty-three".