55870079 has 2 divisors, whose sum is σ = 55870080. Its totient is φ = 55870078.

The previous prime is 55870049. The next prime is 55870163. The reversal of 55870079 is 97007855.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55870079 - 2¹² = 55865983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55870019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27935039 + 27935040.

It is an arithmetic number, because the mean of its divisors is an integer number (27935040).

Almost surely, 2^55870079 is an apocalyptic number.

55870079 is a deficient number, since it is larger than the sum of its proper divisors (1).

55870079 is an equidigital number, since it uses as much as digits as its factorization.

55870079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 55870079 is about 7474.6290208946. The cubic root of 55870079 is about 382.2901384851.

The spelling of 55870079 in words is "fifty-five million, eight hundred seventy thousand, seventy-nine".