55295147 has 2 divisors, whose sum is σ = 55295148. Its totient is φ = 55295146.

The previous prime is 55295117. The next prime is 55295159. The reversal of 55295147 is 74159255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55295147 - 2¹² = 55291051 is a prime.

It is equal to p_3298763 and since 55295147 and 3298763 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55295147.

It is not a weakly prime, because it can be changed into another prime (55295117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27647573 + 27647574.

It is an arithmetic number, because the mean of its divisors is an integer number (27647574).

Almost surely, 2^55295147 is an apocalyptic number.

55295147 is a deficient number, since it is larger than the sum of its proper divisors (1).

55295147 is an equidigital number, since it uses as much as digits as its factorization.

55295147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 38.

The square root of 55295147 is about 7436.0706693791. The cubic root of 55295147 is about 380.9742934734.

The spelling of 55295147 in words is "fifty-five million, two hundred ninety-five thousand, one hundred forty-seven".