51552010556 has 12 divisors (see below), whose sum is σ = 90219250968. Its totient is φ = 25775081712.

The previous prime is 51552010541. The next prime is 51552010603. The reversal of 51552010556 is 65501025515.

It is a happy number.

It is a super-3 number, since 3×51552010556³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96626 + ... + 335321.

It is an arithmetic number, because the mean of its divisors is an integer number (7518270914).

Almost surely, 2^51552010556 is an apocalyptic number.

It is an amenable number.

51552010556 is a deficient number, since it is larger than the sum of its proper divisors (38667240412).

51552010556 is a wasteful number, since it uses less digits than its factorization.

51552010556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461788 (or 461786 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 51552010556 in words is "fifty-one billion, five hundred fifty-two million, ten thousand, five hundred fifty-six".