55070747 has 2 divisors, whose sum is σ = 55070748. Its totient is φ = 55070746.

The previous prime is 55070737. The next prime is 55070753. The reversal of 55070747 is 74707055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55070747 - 2¹⁰ = 55069723 is a prime.

It is not a weakly prime, because it can be changed into another prime (55070707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27535373 + 27535374.

It is an arithmetic number, because the mean of its divisors is an integer number (27535374).

Almost surely, 2^55070747 is an apocalyptic number.

55070747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55070747 is an equidigital number, since it uses as much as digits as its factorization.

55070747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 55070747 is about 7420.9667160014. The cubic root of 55070747 is about 380.4582352887.

The spelling of 55070747 in words is "fifty-five million, seventy thousand, seven hundred forty-seven".