53245198557 has 8 divisors (see below), whose sum is σ = 78881775680. Its totient is φ = 35496799020.

The previous prime is 53245198553. The next prime is 53245198571. The reversal of 53245198557 is 75589154235.

53245198557 is a `hidden beast` number, since 5 + 32 + 4 + 51 + 9 + 8 + 557 = 666.

It is not a de Polignac number, because 53245198557 - 2² = 53245198553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245198553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986022169 + ... + 986022222.

It is an arithmetic number, because the mean of its divisors is an integer number (9860221960).

Almost surely, 2^53245198557 is an apocalyptic number.

It is an amenable number.

53245198557 is a deficient number, since it is larger than the sum of its proper divisors (25636577123).

53245198557 is a wasteful number, since it uses less digits than its factorization.

53245198557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972044400 (or 1972044394 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 54.

The spelling of 53245198557 in words is "fifty-three billion, two hundred forty-five million, one hundred ninety-eight thousand, five hundred fifty-seven".