55477451707 has 2 divisors, whose sum is σ = 55477451708. Its totient is φ = 55477451706.

The previous prime is 55477451641. The next prime is 55477451713. The reversal of 55477451707 is 70715477455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55477451707 is a prime.

It is not a weakly prime, because it can be changed into another prime (55477451767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27738725853 + 27738725854.

It is an arithmetic number, because the mean of its divisors is an integer number (27738725854).

Almost surely, 2^55477451707 is an apocalyptic number.

55477451707 is a deficient number, since it is larger than the sum of its proper divisors (1).

55477451707 is an equidigital number, since it uses as much as digits as its factorization.

55477451707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4802000, while the sum is 52.

The spelling of 55477451707 in words is "fifty-five billion, four hundred seventy-seven million, four hundred fifty-one thousand, seven hundred seven".