550400236635455 has 16 divisors (see below), whose sum is σ = 665202966188544. Its totient is φ = 437174792743200.

The previous prime is 550400236635433. The next prime is 550400236635497. The reversal of 550400236635455 is 554536632004055.

It is a de Polignac number, because none of the positive numbers 2^k-550400236635455 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550400236635397 and 550400236635406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189699947 + ... + 192579516.

It is an arithmetic number, because the mean of its divisors is an integer number (41575185386784).

Almost surely, 2^{550400236635455} is an apocalyptic number.

550400236635455 is a deficient number, since it is larger than the sum of its proper divisors (114802729553089).

550400236635455 is a wasteful number, since it uses less digits than its factorization.

550400236635455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382281526.

The product of its (nonzero) digits is 32400000, while the sum is 53.

The spelling of 550400236635455 in words is "five hundred fifty trillion, four hundred billion, two hundred thirty-six million, six hundred thirty-five thousand, four hundred fifty-five".