55153667 has 2 divisors, whose sum is σ = 55153668. Its totient is φ = 55153666.

The previous prime is 55153639. The next prime is 55153669. The reversal of 55153667 is 76635155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55153667 - 2⁶ = 55153603 is a prime.

Together with 55153669, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55153667.

It is not a weakly prime, because it can be changed into another prime (55153669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27576833 + 27576834.

It is an arithmetic number, because the mean of its divisors is an integer number (27576834).

Almost surely, 2^55153667 is an apocalyptic number.

55153667 is a deficient number, since it is larger than the sum of its proper divisors (1).

55153667 is an equidigital number, since it uses as much as digits as its factorization.

55153667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 55153667 is about 7426.5514877364. The cubic root of 55153667 is about 380.6490914636.

The spelling of 55153667 in words is "fifty-five million, one hundred fifty-three thousand, six hundred sixty-seven".