53351551501 has 2 divisors, whose sum is σ = 53351551502. Its totient is φ = 53351551500.

The previous prime is 53351551441. The next prime is 53351551523. The reversal of 53351551501 is 10515515335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31580844100 + 21770707401 = 177710^2 + 147549^2 .

It is a cyclic number.

It is not a de Polignac number, because 53351551501 - 2²⁷ = 53217333773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53351551531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675775750 + 26675775751.

It is an arithmetic number, because the mean of its divisors is an integer number (26675775751).

Almost surely, 2^53351551501 is an apocalyptic number.

It is an amenable number.

53351551501 is a deficient number, since it is larger than the sum of its proper divisors (1).

53351551501 is an equidigital number, since it uses as much as digits as its factorization.

53351551501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 53351551501 in words is "fifty-three billion, three hundred fifty-one million, five hundred fifty-one thousand, five hundred one".