55767031 has 2 divisors, whose sum is σ = 55767032. Its totient is φ = 55767030.

The previous prime is 55766999. The next prime is 55767037. The reversal of 55767031 is 13076755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55767031 - 2⁵ = 55766999 is a prime.

It is a super-2 number, since 2×55767031² = 6219923493109922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55767037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27883515 + 27883516.

It is an arithmetic number, because the mean of its divisors is an integer number (27883516).

Almost surely, 2^55767031 is an apocalyptic number.

55767031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55767031 is an equidigital number, since it uses as much as digits as its factorization.

55767031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 55767031 is about 7467.7326545612. The cubic root of 55767031 is about 382.0549590617.

It can be divided in two parts, 55 and 767031, that multiplied together give a triangular number (42186705 = T₉₁₈₅).

The spelling of 55767031 in words is "fifty-five million, seven hundred sixty-seven thousand, thirty-one".