55996747 has 2 divisors, whose sum is σ = 55996748. Its totient is φ = 55996746.

The previous prime is 55996739. The next prime is 55996751. The reversal of 55996747 is 74769955.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55996747 - 2³ = 55996739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55996694 and 55996703.

It is not a weakly prime, because it can be changed into another prime (55996547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27998373 + 27998374.

It is an arithmetic number, because the mean of its divisors is an integer number (27998374).

Almost surely, 2^55996747 is an apocalyptic number.

55996747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55996747 is an equidigital number, since it uses as much as digits as its factorization.

55996747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 52.

The square root of 55996747 is about 7483.0974201864. The cubic root of 55996747 is about 382.5788283573.

The spelling of 55996747 in words is "fifty-five million, nine hundred ninety-six thousand, seven hundred forty-seven".