55413607 has 2 divisors, whose sum is σ = 55413608. Its totient is φ = 55413606.

The previous prime is 55413599. The next prime is 55413619. The reversal of 55413607 is 70631455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55413607 - 2³ = 55413599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55413107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27706803 + 27706804.

It is an arithmetic number, because the mean of its divisors is an integer number (27706804).

Almost surely, 2^55413607 is an apocalyptic number.

55413607 is a deficient number, since it is larger than the sum of its proper divisors (1).

55413607 is an equidigital number, since it uses as much as digits as its factorization.

55413607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55413607 is about 7444.0316361499. The cubic root of 55413607 is about 381.2461559408.

It can be divided in two parts, 554 and 13607, that added together give a square (14161 = 119²).

The spelling of 55413607 in words is "fifty-five million, four hundred thirteen thousand, six hundred seven".