55598516 has 6 divisors (see below), whose sum is σ = 97297410. Its totient is φ = 27799256.

The previous prime is 55598513. The next prime is 55598519. The reversal of 55598516 is 61589555.

55598516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55598513) and next prime (55598519).

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 19838116 = 5980^2 + 4454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55598513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949811 + ... + 6949818.

It is an arithmetic number, because the mean of its divisors is an integer number (16216235).

Almost surely, 2^55598516 is an apocalyptic number.

It is an amenable number.

55598516 is a deficient number, since it is larger than the sum of its proper divisors (41698894).

55598516 is a wasteful number, since it uses less digits than its factorization.

55598516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899633 (or 13899631 counting only the distinct ones).

The product of its digits is 270000, while the sum is 44.

The square root of 55598516 is about 7456.4412423086. The cubic root of 55598516 is about 381.6697437084.

The spelling of 55598516 in words is "fifty-five million, five hundred ninety-eight thousand, five hundred sixteen".