55605497 has 2 divisors, whose sum is σ = 55605498. Its totient is φ = 55605496.

The previous prime is 55605491. The next prime is 55605503. The reversal of 55605497 is 79450655.

It is a balanced prime because it is at equal distance from previous prime (55605491) and next prime (55605503).

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 1597696 = 7349^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 55605497 - 2⁴ = 55605481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55605491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802748 + 27802749.

It is an arithmetic number, because the mean of its divisors is an integer number (27802749).

Almost surely, 2^55605497 is an apocalyptic number.

It is an amenable number.

55605497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55605497 is an equidigital number, since it uses as much as digits as its factorization.

55605497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55605497 is about 7456.9093463713. The cubic root of 55605497 is about 381.6857173060.

The spelling of 55605497 in words is "fifty-five million, six hundred five thousand, four hundred ninety-seven".