53678761 has 2 divisors, whose sum is σ = 53678762. Its totient is φ = 53678760.

The previous prime is 53678689. The next prime is 53678783. The reversal of 53678761 is 16787635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 10118761 = 6600^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 53678761 - 2⁷ = 53678633 is a prime.

It is not a weakly prime, because it can be changed into another prime (53678791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26839380 + 26839381.

It is an arithmetic number, because the mean of its divisors is an integer number (26839381).

Almost surely, 2^53678761 is an apocalyptic number.

It is an amenable number.

53678761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53678761 is an equidigital number, since it uses as much as digits as its factorization.

53678761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 53678761 is about 7326.5790789426. The cubic root of 53678761 is about 377.2253130894.

It can be divided in two parts, 536 and 78761, that added together give a palindrome (79297).

The spelling of 53678761 in words is "fifty-three million, six hundred seventy-eight thousand, seven hundred sixty-one".