55079837 has 2 divisors, whose sum is σ = 55079838. Its totient is φ = 55079836.

The previous prime is 55079833. The next prime is 55079923. The reversal of 55079837 is 73897055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 6791236 = 6949^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 55079837 - 2² = 55079833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55079831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27539918 + 27539919.

It is an arithmetic number, because the mean of its divisors is an integer number (27539919).

Almost surely, 2^55079837 is an apocalyptic number.

It is an amenable number.

55079837 is a deficient number, since it is larger than the sum of its proper divisors (1).

55079837 is an equidigital number, since it uses as much as digits as its factorization.

55079837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 55079837 is about 7421.5791446295. The cubic root of 55079837 is about 380.4791670010.

The spelling of 55079837 in words is "fifty-five million, seventy-nine thousand, eight hundred thirty-seven".