70553327557 has 4 divisors (see below), whose sum is σ = 70766479936. Its totient is φ = 70340175180.

The previous prime is 70553327543. The next prime is 70553327561. The reversal of 70553327557 is 75572335507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75572335507 = 16363 ⋅4618489.

It is a cyclic number.

It is not a de Polignac number, because 70553327557 - 2¹¹ = 70553325509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70553327557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70553367557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106575693 + ... + 106576354.

It is an arithmetic number, because the mean of its divisors is an integer number (17691619984).

Almost surely, 2^70553327557 is an apocalyptic number.

It is an amenable number.

70553327557 is a deficient number, since it is larger than the sum of its proper divisors (213152379).

70553327557 is a wasteful number, since it uses less digits than its factorization.

70553327557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213152378.

The product of its (nonzero) digits is 3858750, while the sum is 49.

The spelling of 70553327557 in words is "seventy billion, five hundred fifty-three million, three hundred twenty-seven thousand, five hundred fifty-seven".