55203355676245 has 64 divisors (see below), whose sum is σ = 78850971150336. Its totient is φ = 36316584057600.

The previous prime is 55203355676243. The next prime is 55203355676269. The reversal of 55203355676245 is 54267655330255.

It is not a de Polignac number, because 55203355676245 - 2¹ = 55203355676243 is a prime.

It is a super-2 number, since 2×55203355676245² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55203355676245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203355676243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34200895 + ... + 35778595.

It is an arithmetic number, because the mean of its divisors is an integer number (1232046424224).

Almost surely, 2^{55203355676245} is an apocalyptic number.

It is an amenable number.

55203355676245 is a deficient number, since it is larger than the sum of its proper divisors (23647615474091).

55203355676245 is a wasteful number, since it uses less digits than its factorization.

55203355676245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578170.

The product of its (nonzero) digits is 113400000, while the sum is 58.

The spelling of 55203355676245 in words is "fifty-five trillion, two hundred three billion, three hundred fifty-five million, six hundred seventy-six thousand, two hundred forty-five".