51534155535200 has 72 divisors (see below), whose sum is σ = 135485277012288. Its totient is φ = 19027995886080.

The previous prime is 51534155535193. The next prime is 51534155535221. The reversal of 51534155535200 is 253555143515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2477593232 + ... + 2477614031.

It is an arithmetic number, because the mean of its divisors is an integer number (1881739958504).

Almost surely, 2^{51534155535200} is an apocalyptic number.

51534155535200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51534155535200 is an abundant number, since it is smaller than the sum of its proper divisors (83951121477088).

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

51534155535200 is a wasteful number, since it uses less digits than its factorization.

51534155535200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955207296 (or 4955207283 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 51534155535200 in words is "fifty-one trillion, five hundred thirty-four billion, one hundred fifty-five million, five hundred thirty-five thousand, two hundred".