55964651 has 2 divisors, whose sum is σ = 55964652. Its totient is φ = 55964650.

The previous prime is 55964617. The next prime is 55964653. The reversal of 55964651 is 15646955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55964651 - 2¹⁰ = 55963627 is a prime.

Together with 55964653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55964599 and 55964608.

It is not a weakly prime, because it can be changed into another prime (55964653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982325 + 27982326.

It is an arithmetic number, because the mean of its divisors is an integer number (27982326).

Almost surely, 2^55964651 is an apocalyptic number.

55964651 is a deficient number, since it is larger than the sum of its proper divisors (1).

55964651 is an equidigital number, since it uses as much as digits as its factorization.

55964651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 41.

The square root of 55964651 is about 7480.9525463005. The cubic root of 55964651 is about 382.5057193671.

The spelling of 55964651 in words is "fifty-five million, nine hundred sixty-four thousand, six hundred fifty-one".