55751497 has 2 divisors, whose sum is σ = 55751498. Its totient is φ = 55751496.

The previous prime is 55751459. The next prime is 55751533. The reversal of 55751497 is 79415755.

55751497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 16451136 = 6269^2 + 4056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55751497 is a prime.

It is not a weakly prime, because it can be changed into another prime (55751407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27875748 + 27875749.

It is an arithmetic number, because the mean of its divisors is an integer number (27875749).

Almost surely, 2^55751497 is an apocalyptic number.

It is an amenable number.

55751497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55751497 is an equidigital number, since it uses as much as digits as its factorization.

55751497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 43.

The square root of 55751497 is about 7466.6925073958. The cubic root of 55751497 is about 382.0194817509.

The spelling of 55751497 in words is "fifty-five million, seven hundred fifty-one thousand, four hundred ninety-seven".