55753279 has 2 divisors, whose sum is σ = 55753280. Its totient is φ = 55753278.

The previous prime is 55753273. The next prime is 55753303. The reversal of 55753279 is 97235755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55753279 - 2⁷ = 55753151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55753273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27876639 + 27876640.

It is an arithmetic number, because the mean of its divisors is an integer number (27876640).

Almost surely, 2^55753279 is an apocalyptic number.

55753279 is a deficient number, since it is larger than the sum of its proper divisors (1).

55753279 is an equidigital number, since it uses as much as digits as its factorization.

55753279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 43.

The square root of 55753279 is about 7466.8118363864. The cubic root of 55753279 is about 382.0235519044.

The spelling of 55753279 in words is "fifty-five million, seven hundred fifty-three thousand, two hundred seventy-nine".