653220057550 has 24 divisors (see below), whose sum is σ = 1247826859416. Its totient is φ = 254226183840.

The previous prime is 653220057527. The next prime is 653220057563. The reversal of 653220057550 is 55750022356.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 176544112 + ... + 176547811.

It is an arithmetic number, because the mean of its divisors is an integer number (51992785809).

Almost surely, 2^653220057550 is an apocalyptic number.

653220057550 is a deficient number, since it is larger than the sum of its proper divisors (594606801866).

653220057550 is a wasteful number, since it uses less digits than its factorization.

653220057550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353091972 (or 353091967 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 653220057550 in words is "six hundred fifty-three billion, two hundred twenty million, fifty-seven thousand, five hundred fifty".