55653389 has 8 divisors (see below), whose sum is σ = 61032960. Its totient is φ = 50327200.

The previous prime is 55653383. The next prime is 55653419. The reversal of 55653389 is 98335655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55653389 - 2⁸ = 55653133 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 (55653383) 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 in 7 ways as a sum of consecutive naturals, for example, 11144 + ... + 15345.

It is an arithmetic number, because the mean of its divisors is an integer number (7629120).

Almost surely, 2^55653389 is an apocalyptic number.

It is an amenable number.

55653389 is a deficient number, since it is larger than the sum of its proper divisors (5379571).

55653389 is a wasteful number, since it uses less digits than its factorization.

55653389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691.

The product of its digits is 486000, while the sum is 44.

The square root of 55653389 is about 7460.1199052026. The cubic root of 55653389 is about 381.7952655095.

The spelling of 55653389 in words is "fifty-five million, six hundred fifty-three thousand, three hundred eighty-nine".