55841507 has 2 divisors, whose sum is σ = 55841508. Its totient is φ = 55841506.

The previous prime is 55841503. The next prime is 55841531. The reversal of 55841507 is 70514855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55841507 - 2² = 55841503 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55841503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27920753 + 27920754.

It is an arithmetic number, because the mean of its divisors is an integer number (27920754).

Almost surely, 2^55841507 is an apocalyptic number.

55841507 is a deficient number, since it is larger than the sum of its proper divisors (1).

55841507 is an equidigital number, since it uses as much as digits as its factorization.

55841507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 55841507 is about 7472.7175110531. The cubic root of 55841507 is about 382.2249595525.

The spelling of 55841507 in words is "fifty-five million, eight hundred forty-one thousand, five hundred seven".