51520553041 has 2 divisors, whose sum is σ = 51520553042. Its totient is φ = 51520553040.

The previous prime is 51520553017. The next prime is 51520553053. The reversal of 51520553041 is 14035502515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36170334225 + 15350218816 = 190185^2 + 123896^2 .

It is a cyclic number.

It is not a de Polignac number, because 51520553041 - 2³⁵ = 17160814673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51520552994 and 51520553012.

It is not a weakly prime, because it can be changed into another prime (51520551041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25760276520 + 25760276521.

It is an arithmetic number, because the mean of its divisors is an integer number (25760276521).

Almost surely, 2^51520553041 is an apocalyptic number.

It is an amenable number.

51520553041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51520553041 is an equidigital number, since it uses as much as digits as its factorization.

51520553041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 51520553041 in words is "fifty-one billion, five hundred twenty million, five hundred fifty-three thousand, forty-one".