1653537952 has 48 divisors (see below), whose sum is σ = 3594199392. Its totient is φ = 742539520.

The previous prime is 1653537943. The next prime is 1653537959. The reversal of 1653537952 is 2597353561.

It is not an unprimeable number, because it can be changed into a prime (1653537959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918 + ... + 57514.

It is an arithmetic number, because the mean of its divisors is an integer number (74879154).

Almost surely, 2^1653537952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1653537952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797099696).

1653537952 is an abundant number, since it is smaller than the sum of its proper divisors (1940661440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1653537952 is a wasteful number, since it uses less digits than its factorization.

1653537952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56701 (or 56693 counting only the distinct ones).

The product of its digits is 850500, while the sum is 46.

The square root of 1653537952 is about 40663.7178821612. The cubic root of 1653537952 is about 1182.5097286841.

The spelling of 1653537952 in words is "one billion, six hundred fifty-three million, five hundred thirty-seven thousand, nine hundred fifty-two".