651291750055 has 16 divisors (see below), whose sum is σ = 827980773984. Its totient is φ = 490113479680.

The previous prime is 651291750037. The next prime is 651291750071. The reversal of 651291750055 is 550057192156.

651291750055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 651291750055 - 2²⁷ = 651157532327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 651291749987 and 651291750014.

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, 1961542 + ... + 2269411.

It is an arithmetic number, because the mean of its divisors is an integer number (51748798374).

Almost surely, 2^651291750055 is an apocalyptic number.

651291750055 is a deficient number, since it is larger than the sum of its proper divisors (176689023929).

651291750055 is a wasteful number, since it uses less digits than its factorization.

651291750055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232786.

The product of its (nonzero) digits is 472500, while the sum is 46.

The spelling of 651291750055 in words is "six hundred fifty-one billion, two hundred ninety-one million, seven hundred fifty thousand, fifty-five".