550420202451 has 32 divisors (see below), whose sum is σ = 840479477760. Its totient is φ = 313872207264.

The previous prime is 550420202447. The next prime is 550420202471. The reversal of 550420202451 is 154202024055.

It is not a de Polignac number, because 550420202451 - 2² = 550420202447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550420202471) 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, 62692980 + ... + 62701758.

It is an arithmetic number, because the mean of its divisors is an integer number (26264983680).

Almost surely, 2^550420202451 is an apocalyptic number.

550420202451 is a deficient number, since it is larger than the sum of its proper divisors (290059275309).

550420202451 is a wasteful number, since it uses less digits than its factorization.

550420202451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 550420202451 in words is "five hundred fifty billion, four hundred twenty million, two hundred two thousand, four hundred fifty-one".