55623527 has 2 divisors, whose sum is σ = 55623528. Its totient is φ = 55623526.

The previous prime is 55623509. The next prime is 55623569. The reversal of 55623527 is 72532655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55623527 - 2¹⁰ = 55622503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55623577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811763 + 27811764.

It is an arithmetic number, because the mean of its divisors is an integer number (27811764).

Almost surely, 2^55623527 is an apocalyptic number.

55623527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55623527 is an equidigital number, since it uses as much as digits as its factorization.

55623527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 55623527 is about 7458.1181942900. The cubic root of 55623527 is about 381.7269665241.

The spelling of 55623527 in words is "fifty-five million, six hundred twenty-three thousand, five hundred twenty-seven".