55653271 has 2 divisors, whose sum is σ = 55653272. Its totient is φ = 55653270.

The previous prime is 55653263. The next prime is 55653281. The reversal of 55653271 is 17235655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55653271 - 2³ = 55653263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55653281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27826635 + 27826636.

It is an arithmetic number, because the mean of its divisors is an integer number (27826636).

Almost surely, 2^55653271 is an apocalyptic number.

55653271 is a deficient number, since it is larger than the sum of its proper divisors (1).

55653271 is an equidigital number, since it uses as much as digits as its factorization.

55653271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 55653271 is about 7460.1119964783. Note that the first 3 decimals coincide. The cubic root of 55653271 is about 381.7949956734.

It can be divided in two parts, 5565 and 3271, that added together give a square (8836 = 94²).

The spelling of 55653271 in words is "fifty-five million, six hundred fifty-three thousand, two hundred seventy-one".