51554525011 has 16 divisors (see below), whose sum is σ = 57346755840. Its totient is φ = 45947905120.

The previous prime is 51554525003. The next prime is 51554525051. The reversal of 51554525011 is 11052545515.

It is a cyclic number.

It is not a de Polignac number, because 51554525011 - 2³ = 51554525003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51554525051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735456 + ... + 802498.

It is an arithmetic number, because the mean of its divisors is an integer number (3584172240).

Almost surely, 2^51554525011 is an apocalyptic number.

51554525011 is a deficient number, since it is larger than the sum of its proper divisors (5792230829).

51554525011 is a wasteful number, since it uses less digits than its factorization.

51554525011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68426.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 51554525011 in words is "fifty-one billion, five hundred fifty-four million, five hundred twenty-five thousand, eleven".