551400054345 has 64 divisors (see below), whose sum is σ = 1120432320000. Its totient is φ = 252039921408.

The previous prime is 551400054343. The next prime is 551400054377. The reversal of 551400054345 is 543450004155.

It is not a de Polignac number, because 551400054345 - 2¹ = 551400054343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551400054343) 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, 9827431 + ... + 9883379.

It is an arithmetic number, because the mean of its divisors is an integer number (17506755000).

Almost surely, 2^551400054345 is an apocalyptic number.

It is an amenable number.

551400054345 is an abundant number, since it is smaller than the sum of its proper divisors (569032265655).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551400054345 is a wasteful number, since it uses less digits than its factorization.

551400054345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66399 (or 66393 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 551400054345 in words is "five hundred fifty-one billion, four hundred million, fifty-four thousand, three hundred forty-five".