55300997 has 4 divisors (see below), whose sum is σ = 55337856. Its totient is φ = 55264140.

The previous prime is 55300979. The next prime is 55301021. The reversal of 55300997 is 79900355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55300997 - 2⁸ = 55300741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55300997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55300907) 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, 16079 + ... + 19212.

It is an arithmetic number, because the mean of its divisors is an integer number (13834464).

Almost surely, 2^55300997 is an apocalyptic number.

It is an amenable number.

55300997 is a deficient number, since it is larger than the sum of its proper divisors (36859).

55300997 is a wasteful number, since it uses less digits than its factorization.

55300997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36858.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 55300997 is about 7436.4640118809. The cubic root of 55300997 is about 380.9877281728.

The spelling of 55300997 in words is "fifty-five million, three hundred thousand, nine hundred ninety-seven".