55672369 has 2 divisors, whose sum is σ = 55672370. Its totient is φ = 55672368.

The previous prime is 55672363. The next prime is 55672417. The reversal of 55672369 is 96327655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51624225 + 4048144 = 7185^2 + 2012^2 .

It is a cyclic number.

It is not a de Polignac number, because 55672369 - 2³ = 55672361 is a prime.

It is a super-2 number, since 2×55672369² = 6198825340144322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55672361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27836184 + 27836185.

It is an arithmetic number, because the mean of its divisors is an integer number (27836185).

Almost surely, 2^55672369 is an apocalyptic number.

It is an amenable number.

55672369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55672369 is an equidigital number, since it uses as much as digits as its factorization.

55672369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 55672369 is about 7461.3918942782. The cubic root of 55672369 is about 381.8386629895.

The spelling of 55672369 in words is "fifty-five million, six hundred seventy-two thousand, three hundred sixty-nine".