55152371 has 2 divisors, whose sum is σ = 55152372. Its totient is φ = 55152370.

The previous prime is 55152343. The next prime is 55152389. The reversal of 55152371 is 17325155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55152371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55152271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27576185 + 27576186.

It is an arithmetic number, because the mean of its divisors is an integer number (27576186).

Almost surely, 2^55152371 is an apocalyptic number.

55152371 is a deficient number, since it is larger than the sum of its proper divisors (1).

55152371 is an equidigital number, since it uses as much as digits as its factorization.

55152371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 29.

The square root of 55152371 is about 7426.4642327288. The cubic root of 55152371 is about 380.6461099448.

The spelling of 55152371 in words is "fifty-five million, one hundred fifty-two thousand, three hundred seventy-one".