55029307 has 2 divisors, whose sum is σ = 55029308. Its totient is φ = 55029306.

The previous prime is 55029287. The next prime is 55029319. The reversal of 55029307 is 70392055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55029307 is a prime.

It is not a weakly prime, because it can be changed into another prime (55029347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27514653 + 27514654.

It is an arithmetic number, because the mean of its divisors is an integer number (27514654).

Almost surely, 2^55029307 is an apocalyptic number.

55029307 is a deficient number, since it is larger than the sum of its proper divisors (1).

55029307 is an equidigital number, since it uses as much as digits as its factorization.

55029307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 55029307 is about 7418.1741014889. The cubic root of 55029307 is about 380.3627814322.

The spelling of 55029307 in words is "fifty-five million, twenty-nine thousand, three hundred seven".