51550052215 has 8 divisors (see below), whose sum is σ = 62305099920. Its totient is φ = 40943350272.

The previous prime is 51550052201. The next prime is 51550052273. The reversal of 51550052215 is 51225005515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51550052215 - 2¹⁹ = 51549527927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37085674 + ... + 37087063.

It is an arithmetic number, because the mean of its divisors is an integer number (7788137490).

Almost surely, 2^51550052215 is an apocalyptic number.

51550052215 is a deficient number, since it is larger than the sum of its proper divisors (10755047705).

51550052215 is a wasteful number, since it uses less digits than its factorization.

51550052215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74172881.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 51550052215 in words is "fifty-one billion, five hundred fifty million, fifty-two thousand, two hundred fifteen".