55615367 has 2 divisors, whose sum is σ = 55615368. Its totient is φ = 55615366.

The previous prime is 55615321. The next prime is 55615387. The reversal of 55615367 is 76351655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55615367 - 2⁶ = 55615303 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55615367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55615387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27807683 + 27807684.

It is an arithmetic number, because the mean of its divisors is an integer number (27807684).

Almost surely, 2^55615367 is an apocalyptic number.

55615367 is a deficient number, since it is larger than the sum of its proper divisors (1).

55615367 is an equidigital number, since it uses as much as digits as its factorization.

55615367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 55615367 is about 7457.5711193391. The cubic root of 55615367 is about 381.7082990971.

The spelling of 55615367 in words is "fifty-five million, six hundred fifteen thousand, three hundred sixty-seven".