55213456670203 has 32 divisors (see below), whose sum is σ = 61015689745920. Its totient is φ = 49637677098240.

The previous prime is 55213456670143. The next prime is 55213456670219. The reversal of 55213456670203 is 30207665431255.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55213456670203 is a prime.

It is a super-2 number, since 2×55213456670203² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55213456670903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2779144276 + ... + 2779164142.

It is an arithmetic number, because the mean of its divisors is an integer number (1906740304560).

Almost surely, 2^{55213456670203} is an apocalyptic number.

55213456670203 is a deficient number, since it is larger than the sum of its proper divisors (5802233075717).

55213456670203 is a wasteful number, since it uses less digits than its factorization.

55213456670203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28627.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 55213456670203 in words is "fifty-five trillion, two hundred thirteen billion, four hundred fifty-six million, six hundred seventy thousand, two hundred three".