55097359 has 4 divisors (see below), whose sum is σ = 57997240. Its totient is φ = 52197480.

The previous prime is 55097257. The next prime is 55097401. The reversal of 55097359 is 95379055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95379055 = 5 ⋅19075811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55097359 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 (55097059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449912 + ... + 1449949.

It is an arithmetic number, because the mean of its divisors is an integer number (14499310).

Almost surely, 2^55097359 is an apocalyptic number.

55097359 is a deficient number, since it is larger than the sum of its proper divisors (2899881).

55097359 is a wasteful number, since it uses less digits than its factorization.

55097359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899880.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 55097359 is about 7422.7595272917. The cubic root of 55097359 is about 380.5195087395.

The spelling of 55097359 in words is "fifty-five million, ninety-seven thousand, three hundred fifty-nine".