55574507 has 2 divisors, whose sum is σ = 55574508. Its totient is φ = 55574506.

The previous prime is 55574483. The next prime is 55574567. The reversal of 55574507 is 70547555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55574507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55574567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787253 + 27787254.

It is an arithmetic number, because the mean of its divisors is an integer number (27787254).

Almost surely, 2^55574507 is an apocalyptic number.

55574507 is a deficient number, since it is larger than the sum of its proper divisors (1).

55574507 is an equidigital number, since it uses as much as digits as its factorization.

55574507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 55574507 is about 7454.8311181408. The cubic root of 55574507 is about 381.6147972285.

The spelling of 55574507 in words is "fifty-five million, five hundred seventy-four thousand, five hundred seven".