551552505453400 has 96 divisors (see below), whose sum is σ = 1402053395094000. Its totient is φ = 200117855436800.

The previous prime is 551552505453377. The next prime is 551552505453409. The reversal of 551552505453400 is 4354505255155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551552505453409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278194477 + ... + 280170076.

Almost surely, 2^{551552505453400} is an apocalyptic number.

551552505453400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551552505453400 is an abundant number, since it is smaller than the sum of its proper divisors (850500889640600).

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

551552505453400 is a wasteful number, since it uses less digits than its factorization.

551552505453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558365029 (or 558365020 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 49.

The spelling of 551552505453400 in words is "five hundred fifty-one trillion, five hundred fifty-two billion, five hundred five million, four hundred fifty-three thousand, four hundred".