1653613552 has 20 divisors (see below), whose sum is σ = 3216066480. Its totient is φ = 823660928.

The previous prime is 1653613537. The next prime is 1653613561. The reversal of 1653613552 is 2553163561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192277 + ... + 200692.

It is an arithmetic number, because the mean of its divisors is an integer number (160803324).

Almost surely, 2^1653613552 is an apocalyptic number.

It is an amenable number.

1653613552 is a deficient number, since it is larger than the sum of its proper divisors (1562452928).

1653613552 is a wasteful number, since it uses less digits than its factorization.

1653613552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393240 (or 393234 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 1653613552 is about 40664.6474471377. The cubic root of 1653613552 is about 1182.5277499161.

The spelling of 1653613552 in words is "one billion, six hundred fifty-three million, six hundred thirteen thousand, five hundred fifty-two".