655537956 has 24 divisors (see below), whose sum is σ = 1550543904. Its totient is φ = 215519040.

The previous prime is 655537937. The next prime is 655537979. The reversal of 655537956 is 659735556.

It is a junction number, because it is equal to n+sod(n) for n = 655537899 and 655537908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373290 + ... + 375041.

It is an arithmetic number, because the mean of its divisors is an integer number (64605996).

Almost surely, 2^655537956 is an apocalyptic number.

It is an amenable number.

655537956 is an abundant number, since it is smaller than the sum of its proper divisors (895005948).

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

655537956 is a wasteful number, since it uses less digits than its factorization.

655537956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748411 (or 748409 counting only the distinct ones).

The product of its digits is 4252500, while the sum is 51.

The square root of 655537956 is about 25603.4754672095. The cubic root of 655537956 is about 868.6922511102.

The spelling of 655537956 in words is "six hundred fifty-five million, five hundred thirty-seven thousand, nine hundred fifty-six".