55315598 has 32 divisors (see below), whose sum is σ = 93877056. Its totient is φ = 24254208.

The previous prime is 55315597. The next prime is 55315609. The reversal of 55315598 is 89551355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55315597) 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 15 ways as a sum of consecutive naturals, for example, 139136 + ... + 139532.

It is an arithmetic number, because the mean of its divisors is an integer number (2933658).

Almost surely, 2^55315598 is an apocalyptic number.

55315598 is a deficient number, since it is larger than the sum of its proper divisors (38561458).

55315598 is a wasteful number, since it uses less digits than its factorization.

55315598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 135000, while the sum is 41.

The square root of 55315598 is about 7437.4456636671. The cubic root of 55315598 is about 381.0212556715.

The spelling of 55315598 in words is "fifty-five million, three hundred fifteen thousand, five hundred ninety-eight".