55443527 has 2 divisors, whose sum is σ = 55443528. Its totient is φ = 55443526.

The previous prime is 55443517. The next prime is 55443533. The reversal of 55443527 is 72534455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55443527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55443517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27721763 + 27721764.

It is an arithmetic number, because the mean of its divisors is an integer number (27721764).

Almost surely, 2^55443527 is an apocalyptic number.

55443527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55443527 is an equidigital number, since it uses as much as digits as its factorization.

55443527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 35.

The square root of 55443527 is about 7446.0410286272. The cubic root of 55443527 is about 381.3147602254.

The spelling of 55443527 in words is "fifty-five million, four hundred forty-three thousand, five hundred twenty-seven".