7553680385 has 8 divisors (see below), whose sum is σ = 9073700136. Its totient is φ = 6036755200.

The previous prime is 7553680369. The next prime is 7553680391. The reversal of 7553680385 is 5830863557.

It can be written as a sum of positive squares in 4 ways, for example, as 1178136976 + 6375543409 = 34324^2 + 79847^2 .

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

It is not a de Polignac number, because 7553680385 - 2⁴ = 7553680369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768266 + ... + 778035.

It is an arithmetic number, because the mean of its divisors is an integer number (1134212517).

Almost surely, 2^7553680385 is an apocalyptic number.

It is an amenable number.

7553680385 is a deficient number, since it is larger than the sum of its proper divisors (1520019751).

7553680385 is a wasteful number, since it uses less digits than its factorization.

7553680385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547283.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The square root of 7553680385 is about 86911.9116404650. The cubic root of 7553680385 is about 1962.0927585348.

The spelling of 7553680385 in words is "seven billion, five hundred fifty-three million, six hundred eighty thousand, three hundred eighty-five".