55392707 has 2 divisors, whose sum is σ = 55392708. Its totient is φ = 55392706.

The previous prime is 55392703. The next prime is 55392761. The reversal of 55392707 is 70729355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55392707 - 2² = 55392703 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55392703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27696353 + 27696354.

It is an arithmetic number, because the mean of its divisors is an integer number (27696354).

Almost surely, 2^55392707 is an apocalyptic number.

55392707 is a deficient number, since it is larger than the sum of its proper divisors (1).

55392707 is an equidigital number, since it uses as much as digits as its factorization.

55392707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 55392707 is about 7442.6276945713. The cubic root of 55392707 is about 381.1982191791.

The spelling of 55392707 in words is "fifty-five million, three hundred ninety-two thousand, seven hundred seven".