53257555302553 has 4 divisors (see below), whose sum is σ = 60865777488640. Its totient is φ = 45649333116468.

The previous prime is 53257555302547. The next prime is 53257555302559. The reversal of 53257555302553 is 35520355575235.

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.

It is an interprime number because it is at equal distance from previous prime (53257555302547) and next prime (53257555302559).

It is a cyclic number.

It is not a de Polignac number, because 53257555302553 - 2⁴⁵ = 18073183213721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53257555302494 and 53257555302503.

It is not an unprimeable number, because it can be changed into a prime (53257555302559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804111093033 + ... + 3804111093046.

It is an arithmetic number, because the mean of its divisors is an integer number (15216444372160).

Almost surely, 2^{53257555302553} is an apocalyptic number.

It is an amenable number.

53257555302553 is a deficient number, since it is larger than the sum of its proper divisors (7608222186087).

53257555302553 is an equidigital number, since it uses as much as digits as its factorization.

53257555302553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608222186086.

The product of its (nonzero) digits is 59062500, while the sum is 55.

The spelling of 53257555302553 in words is "fifty-three trillion, two hundred fifty-seven billion, five hundred fifty-five million, three hundred two thousand, five hundred fifty-three".