55703389 has 16 divisors (see below), whose sum is σ = 65664000. Its totient is φ = 46255104.

The previous prime is 55703381. The next prime is 55703411. The reversal of 55703389 is 98330755.

It is a happy number.

It is not a de Polignac number, because 55703389 - 2³ = 55703381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55703381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116052 + ... + 116530.

It is an arithmetic number, because the mean of its divisors is an integer number (4104000).

Almost surely, 2^55703389 is an apocalyptic number.

It is an amenable number.

55703389 is a deficient number, since it is larger than the sum of its proper divisors (9960611).

55703389 is a wasteful number, since it uses less digits than its factorization.

55703389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 55703389 is about 7463.4703054276. The cubic root of 55703389 is about 381.9095685172.

The spelling of 55703389 in words is "fifty-five million, seven hundred three thousand, three hundred eighty-nine".