55377503 has 2 divisors, whose sum is σ = 55377504. Its totient is φ = 55377502.

The previous prime is 55377481. The next prime is 55377541. The reversal of 55377503 is 30577355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55377503 - 2⁸ = 55377247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55377403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688751 + 27688752.

It is an arithmetic number, because the mean of its divisors is an integer number (27688752).

Almost surely, 2^55377503 is an apocalyptic number.

55377503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377503 is an equidigital number, since it uses as much as digits as its factorization.

55377503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55125, while the sum is 35.

The square root of 55377503 is about 7441.6062110273. The cubic root of 55377503 is about 381.1633393283.

The spelling of 55377503 in words is "fifty-five million, three hundred seventy-seven thousand, five hundred three".