55063031 has 2 divisors, whose sum is σ = 55063032. Its totient is φ = 55063030.

The previous prime is 55063003. The next prime is 55063039. The reversal of 55063031 is 13036055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55063031 is a prime.

It is a super-2 number, since 2×55063031² = 6063874765813922, 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 = 55062988 and 55063006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55063039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27531515 + 27531516.

It is an arithmetic number, because the mean of its divisors is an integer number (27531516).

Almost surely, 2^55063031 is an apocalyptic number.

55063031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55063031 is an equidigital number, since it uses as much as digits as its factorization.

55063031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 55063031 is about 7420.4468194308. The cubic root of 55063031 is about 380.4404657043.

Adding to 55063031 its reverse (13036055), we get a palindrome (68099086).

The spelling of 55063031 in words is "fifty-five million, sixty-three thousand, thirty-one".