55657553501253 has 64 divisors (see below), whose sum is σ = 83270023833600. Its totient is φ = 32783697408000.

The previous prime is 55657553501237. The next prime is 55657553501281. The reversal of 55657553501253 is 35210535575655.

It is not a de Polignac number, because 55657553501253 - 2⁴ = 55657553501237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55657553501193 and 55657553501202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55657553501203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68619253 + ... + 69425621.

It is an arithmetic number, because the mean of its divisors is an integer number (1301094122400).

Almost surely, 2^{55657553501253} is an apocalyptic number.

It is an amenable number.

55657553501253 is a deficient number, since it is larger than the sum of its proper divisors (27612470332347).

55657553501253 is a wasteful number, since it uses less digits than its factorization.

55657553501253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806874.

The product of its (nonzero) digits is 59062500, while the sum is 57.

The spelling of 55657553501253 in words is "fifty-five trillion, six hundred fifty-seven billion, five hundred fifty-three million, five hundred one thousand, two hundred fifty-three".