55915359 has 8 divisors (see below), whose sum is σ = 75322800. Its totient is φ = 36892416.

The previous prime is 55915337. The next prime is 55915361. The reversal of 55915359 is 95351955.

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

It is not a de Polignac number, because 55915359 - 2¹⁹ = 55391071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55915359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55915459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95784 + ... + 96365.

It is an arithmetic number, because the mean of its divisors is an integer number (9415350).

Almost surely, 2^55915359 is an apocalyptic number.

55915359 is a deficient number, since it is larger than the sum of its proper divisors (19407441).

55915359 is a wasteful number, since it uses less digits than its factorization.

55915359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192249.

The product of its digits is 151875, while the sum is 42.

The square root of 55915359 is about 7477.6573203110. The cubic root of 55915359 is about 382.3933864940.

The spelling of 55915359 in words is "fifty-five million, nine hundred fifteen thousand, three hundred fifty-nine".