55792279 has 2 divisors, whose sum is σ = 55792280. Its totient is φ = 55792278.

The previous prime is 55792277. The next prime is 55792301. The reversal of 55792279 is 97229755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55792279 - 2¹ = 55792277 is a prime.

It is a super-2 number, since 2×55792279² = 6225556792027682, which contains 22 as substring.

Together with 55792277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55792271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27896139 + 27896140.

It is an arithmetic number, because the mean of its divisors is an integer number (27896140).

Almost surely, 2^55792279 is an apocalyptic number.

55792279 is a deficient number, since it is larger than the sum of its proper divisors (1).

55792279 is an equidigital number, since it uses as much as digits as its factorization.

55792279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The square root of 55792279 is about 7469.4229362113. The cubic root of 55792279 is about 382.1126076285.

The spelling of 55792279 in words is "fifty-five million, seven hundred ninety-two thousand, two hundred seventy-nine".