550401222451 has 4 divisors (see below), whose sum is σ = 550403249904. Its totient is φ = 550399195000.

The previous prime is 550401222443. The next prime is 550401222457. The reversal of 550401222451 is 154222104055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550401222451 - 2³ = 550401222443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550401222457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529375 + ... + 1175176.

It is an arithmetic number, because the mean of its divisors is an integer number (137600812476).

Almost surely, 2^550401222451 is an apocalyptic number.

550401222451 is a deficient number, since it is larger than the sum of its proper divisors (2027453).

550401222451 is a wasteful number, since it uses less digits than its factorization.

550401222451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027452.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 550401222451 in words is "five hundred fifty billion, four hundred one million, two hundred twenty-two thousand, four hundred fifty-one".