55232000251 has 2 divisors, whose sum is σ = 55232000252. Its totient is φ = 55232000250.

The previous prime is 55232000221. The next prime is 55232000261. The reversal of 55232000251 is 15200023255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55232000251 - 2¹³ = 55231992059 is a prime.

It is not a weakly prime, because it can be changed into another prime (55232000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616000125 + 27616000126.

It is an arithmetic number, because the mean of its divisors is an integer number (27616000126).

Almost surely, 2^55232000251 is an apocalyptic number.

55232000251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232000251 is an equidigital number, since it uses as much as digits as its factorization.

55232000251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 55232000251 in words is "fifty-five billion, two hundred thirty-two million, two hundred fifty-one", and thus it is an aban number.