53779601951 has 2 divisors, whose sum is σ = 53779601952. Its totient is φ = 53779601950.

The previous prime is 53779601927. The next prime is 53779601977. The reversal of 53779601951 is 15910697735.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53779601951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53779601893 and 53779601902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53709601951) 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 as a sum of consecutive naturals, namely, 26889800975 + 26889800976.

It is an arithmetic number, because the mean of its divisors is an integer number (26889800976).

Almost surely, 2^53779601951 is an apocalyptic number.

53779601951 is a deficient number, since it is larger than the sum of its proper divisors (1).

53779601951 is an equidigital number, since it uses as much as digits as its factorization.

53779601951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 53779601951 in words is "fifty-three billion, seven hundred seventy-nine million, six hundred one thousand, nine hundred fifty-one".