55775450457203 has 8 divisors (see below), whose sum is σ = 56612033853888. Its totient is φ = 54938988060264.

The previous prime is 55775450457109. The next prime is 55775450457241. The reversal of 55775450457203 is 30275405457755.

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-55775450457203 is a prime.

It is a super-2 number, since 2×55775450457203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55775450457263) 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, 29320901 + ... + 31165142.

It is an arithmetic number, because the mean of its divisors is an integer number (7076504231736).

Almost surely, 2^{55775450457203} is an apocalyptic number.

55775450457203 is a deficient number, since it is larger than the sum of its proper divisors (836583396685).

55775450457203 is a wasteful number, since it uses less digits than its factorization.

55775450457203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60499873.

The product of its (nonzero) digits is 102900000, while the sum is 59.

The spelling of 55775450457203 in words is "fifty-five trillion, seven hundred seventy-five billion, four hundred fifty million, four hundred fifty-seven thousand, two hundred three".