53151838737397 has 2 divisors, whose sum is σ = 53151838737398. Its totient is φ = 53151838737396.

The previous prime is 53151838737391. The next prime is 53151838737419. The reversal of 53151838737397 is 79373783815135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49628206683441 + 3523632053956 = 7044729^2 + 1877134^2 .

It is a cyclic number.

It is not a de Polignac number, because 53151838737397 - 2²³ = 53151830348789 is a prime.

It is a super-2 number, since 2×53151838737397² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53151838737391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26575919368698 + 26575919368699.

It is an arithmetic number, because the mean of its divisors is an integer number (26575919368699).

Almost surely, 2^{53151838737397} is an apocalyptic number.

It is an amenable number.

53151838737397 is a deficient number, since it is larger than the sum of its proper divisors (1).

53151838737397 is an equidigital number, since it uses as much as digits as its factorization.

53151838737397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400075200, while the sum is 70.

The spelling of 53151838737397 in words is "fifty-three trillion, one hundred fifty-one billion, eight hundred thirty-eight million, seven hundred thirty-seven thousand, three hundred ninety-seven".