55411151 has 2 divisors, whose sum is σ = 55411152. Its totient is φ = 55411150.

The previous prime is 55411123. The next prime is 55411171. The reversal of 55411151 is 15111455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55411151 - 2¹⁸ = 55149007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55411121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27705575 + 27705576.

It is an arithmetic number, because the mean of its divisors is an integer number (27705576).

Almost surely, 2^55411151 is an apocalyptic number.

55411151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55411151 is an equidigital number, since it uses as much as digits as its factorization.

55411151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 500, while the sum is 23.

The square root of 55411151 is about 7443.8666699505. The cubic root of 55411151 is about 381.2405234230.

The spelling of 55411151 in words is "fifty-five million, four hundred eleven thousand, one hundred fifty-one".