551264200542 has 48 divisors (see below), whose sum is σ = 1304274851568. Its totient is φ = 166884791040.

The previous prime is 551264200519. The next prime is 551264200547. The reversal of 551264200542 is 245002462155.

551264200542 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 642 + 0 + 0 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 551264200497 and 551264200506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551264200547) 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, 1173643 + ... + 1574790.

It is an arithmetic number, because the mean of its divisors is an integer number (27172392741).

Almost surely, 2^551264200542 is an apocalyptic number.

551264200542 is an abundant number, since it is smaller than the sum of its proper divisors (753010651026).

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

551264200542 is a wasteful number, since it uses less digits than its factorization.

551264200542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749465 (or 2749462 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 551264200542 its reverse (245002462155), we get a palindrome (796266662697).

The spelling of 551264200542 in words is "five hundred fifty-one billion, two hundred sixty-four million, two hundred thousand, five hundred forty-two".