55553458403 has 2 divisors, whose sum is σ = 55553458404. Its totient is φ = 55553458402.

The previous prime is 55553458393. The next prime is 55553458409. The reversal of 55553458403 is 30485435555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55553458403 - 2¹⁴ = 55553442019 is a prime.

It is not a weakly prime, because it can be changed into another prime (55553458409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776729201 + 27776729202.

It is an arithmetic number, because the mean of its divisors is an integer number (27776729202).

Almost surely, 2^55553458403 is an apocalyptic number.

55553458403 is a deficient number, since it is larger than the sum of its proper divisors (1).

55553458403 is an equidigital number, since it uses as much as digits as its factorization.

55553458403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 55553458403 in words is "fifty-five billion, five hundred fifty-three million, four hundred fifty-eight thousand, four hundred three".