55154831 has 2 divisors, whose sum is σ = 55154832. Its totient is φ = 55154830.

The previous prime is 55154819. The next prime is 55154837. The reversal of 55154831 is 13845155.

55154831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55154831 - 2¹⁸ = 54892687 is a prime.

It is a super-2 number, since 2×55154831² = 6084110765277122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55154837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27577415 + 27577416.

It is an arithmetic number, because the mean of its divisors is an integer number (27577416).

Almost surely, 2^55154831 is an apocalyptic number.

55154831 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154831 is an equidigital number, since it uses as much as digits as its factorization.

55154831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 32.

The square root of 55154831 is about 7426.6298547861. The cubic root of 55154831 is about 380.6517692694.

Adding to 55154831 its reverse (13845155), we get a palindrome (68999986).

The spelling of 55154831 in words is "fifty-five million, one hundred fifty-four thousand, eight hundred thirty-one".