55312703 has 2 divisors, whose sum is σ = 55312704. Its totient is φ = 55312702.

The previous prime is 55312693. The next prime is 55312717. The reversal of 55312703 is 30721355.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55312703 is a prime.

It is a super-2 number, since 2×55312703² = 6118990226332418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55312783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27656351 + 27656352.

It is an arithmetic number, because the mean of its divisors is an integer number (27656352).

Almost surely, 2^55312703 is an apocalyptic number.

55312703 is a deficient number, since it is larger than the sum of its proper divisors (1).

55312703 is an equidigital number, since it uses as much as digits as its factorization.

55312703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55312703 is about 7437.2510378499. The cubic root of 55312703 is about 381.0146085061.

The spelling of 55312703 in words is "fifty-five million, three hundred twelve thousand, seven hundred three".