551502455142 has 32 divisors (see below), whose sum is σ = 1114151500800. Its totient is φ = 181983864128.

The previous prime is 551502455071. The next prime is 551502455183. The reversal of 551502455142 is 241554205155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 551502455142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639342 + ... + 1229537.

It is an arithmetic number, because the mean of its divisors is an integer number (34817234400).

Almost surely, 2^551502455142 is an apocalyptic number.

551502455142 is an abundant number, since it is smaller than the sum of its proper divisors (562649045658).

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

551502455142 is a wasteful number, since it uses less digits than its factorization.

551502455142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869380.

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 551502455142 in words is "five hundred fifty-one billion, five hundred two million, four hundred fifty-five thousand, one hundred forty-two".