55303033553 has 8 divisors (see below), whose sum is σ = 57213141480. Its totient is φ = 53393132800.

The previous prime is 55303033531. The next prime is 55303033573. The reversal of 55303033553 is 35533030355.

It can be written as a sum of positive squares in 4 ways, for example, as 1889814784 + 53413218769 = 43472^2 + 231113^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55303033553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55303033573) 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, 654953 + ... + 734553.

It is an arithmetic number, because the mean of its divisors is an integer number (7151642685).

Almost surely, 2^55303033553 is an apocalyptic number.

It is an amenable number.

55303033553 is a deficient number, since it is larger than the sum of its proper divisors (1910107927).

55303033553 is a wasteful number, since it uses less digits than its factorization.

55303033553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103587.

The product of its (nonzero) digits is 151875, while the sum is 35.

The spelling of 55303033553 in words is "fifty-five billion, three hundred three million, thirty-three thousand, five hundred fifty-three".