55150400015503 has 16 divisors (see below), whose sum is σ = 60789474887680. Its totient is φ = 49711463200224.

The previous prime is 55150400015351. The next prime is 55150400015519. The reversal of 55150400015503 is 30551000405155.

It is a cyclic number.

It is not a de Polignac number, because 55150400015503 - 2²¹ = 55150397918351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150400015563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10396551 + ... + 14777992.

It is an arithmetic number, because the mean of its divisors is an integer number (3799342180480).

Almost surely, 2^{55150400015503} is an apocalyptic number.

55150400015503 is a deficient number, since it is larger than the sum of its proper divisors (5639074872177).

55150400015503 is a wasteful number, since it uses less digits than its factorization.

55150400015503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178518.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 55150400015503 in words is "fifty-five trillion, one hundred fifty billion, four hundred million, fifteen thousand, five hundred three".