55460729 has 2 divisors, whose sum is σ = 55460730. Its totient is φ = 55460728.

The previous prime is 55460723. The next prime is 55460759. The reversal of 55460729 is 92706455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 23232400 = 5677^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 55460729 - 2⁸ = 55460473 is a prime.

It is a super-2 number, since 2×55460729² = 6151784922422882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55460692 and 55460701.

It is not a weakly prime, because it can be changed into another prime (55460723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27730364 + 27730365.

It is an arithmetic number, because the mean of its divisors is an integer number (27730365).

Almost surely, 2^55460729 is an apocalyptic number.

It is an amenable number.

55460729 is a deficient number, since it is larger than the sum of its proper divisors (1).

55460729 is an equidigital number, since it uses as much as digits as its factorization.

55460729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 55460729 is about 7447.1960495209. The cubic root of 55460729 is about 381.3541919295.

The spelling of 55460729 in words is "fifty-five million, four hundred sixty thousand, seven hundred twenty-nine".