55546031 has 2 divisors, whose sum is σ = 55546032. Its totient is φ = 55546030.

The previous prime is 55546019. The next prime is 55546039. The reversal of 55546031 is 13064555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55546031 - 2⁶ = 55545967 is a prime.

It is a super-2 number, since 2×55546031² = 6170723119705922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55545985 and 55546003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55546039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27773015 + 27773016.

It is an arithmetic number, because the mean of its divisors is an integer number (27773016).

Almost surely, 2^55546031 is an apocalyptic number.

55546031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55546031 is an equidigital number, since it uses as much as digits as its factorization.

55546031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55546031 is about 7452.9209710019. The cubic root of 55546031 is about 381.5496071494.

The spelling of 55546031 in words is "fifty-five million, five hundred forty-six thousand, thirty-one".