55696973 has 2 divisors, whose sum is σ = 55696974. Its totient is φ = 55696972.

The previous prime is 55696933. The next prime is 55697041. The reversal of 55696973 is 37969655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 5031049 = 7118^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 55696973 - 2¹⁴ = 55680589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55696903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27848486 + 27848487.

It is an arithmetic number, because the mean of its divisors is an integer number (27848487).

Almost surely, 2^55696973 is an apocalyptic number.

It is an amenable number.

55696973 is a deficient number, since it is larger than the sum of its proper divisors (1).

55696973 is an equidigital number, since it uses as much as digits as its factorization.

55696973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1530900, while the sum is 50.

The square root of 55696973 is about 7463.0404661907. The cubic root of 55696973 is about 381.8949049817.

The spelling of 55696973 in words is "fifty-five million, six hundred ninety-six thousand, nine hundred seventy-three".