551401532042 has 16 divisors (see below), whose sum is σ = 866644460352. Its totient is φ = 262619522880.

The previous prime is 551401532039. The next prime is 551401532047. The reversal of 551401532042 is 240235104155.

It is not an unprimeable number, because it can be changed into a prime (551401532047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24858188 + ... + 24880359.

It is an arithmetic number, because the mean of its divisors is an integer number (54165278772).

Almost surely, 2^551401532042 is an apocalyptic number.

551401532042 is a deficient number, since it is larger than the sum of its proper divisors (315242928310).

551401532042 is a wasteful number, since it uses less digits than its factorization.

551401532042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49738813.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 551401532042 its reverse (240235104155), we get a palindrome (791636636197).

The spelling of 551401532042 in words is "five hundred fifty-one billion, four hundred one million, five hundred thirty-two thousand, forty-two".