55073803 has 2 divisors, whose sum is σ = 55073804. Its totient is φ = 55073802.

The previous prime is 55073773. The next prime is 55073807. The reversal of 55073803 is 30837055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55073803 - 2²⁵ = 21519371 is a prime.

It is a super-4 number, since 4×55073803⁴ (a number of 32 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (55073807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27536901 + 27536902.

It is an arithmetic number, because the mean of its divisors is an integer number (27536902).

Almost surely, 2^55073803 is an apocalyptic number.

55073803 is a deficient number, since it is larger than the sum of its proper divisors (1).

55073803 is an equidigital number, since it uses as much as digits as its factorization.

55073803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55073803 is about 7421.1726162379. The cubic root of 55073803 is about 380.4652726538.

The spelling of 55073803 in words is "fifty-five million, seventy-three thousand, eight hundred three".