53780532929 has 8 divisors (see below), whose sum is σ = 55241082600. Its totient is φ = 52320352896.

The previous prime is 53780532877. The next prime is 53780532947. The reversal of 53780532929 is 92923508735.

It can be written as a sum of positive squares in 4 ways, for example, as 8887398529 + 44893134400 = 94273^2 + 211880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53780532929 - 2²⁸ = 53512097473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53780532959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216347 + ... + 392895.

It is an arithmetic number, because the mean of its divisors is an integer number (6905135325).

Almost surely, 2^53780532929 is an apocalyptic number.

It is an amenable number.

53780532929 is a deficient number, since it is larger than the sum of its proper divisors (1460549671).

53780532929 is a wasteful number, since it uses less digits than its factorization.

53780532929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184819.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 53780532929 in words is "fifty-three billion, seven hundred eighty million, five hundred thirty-two thousand, nine hundred twenty-nine".