655553742 has 16 divisors (see below), whose sum is σ = 1324625232. Its totient is φ = 216264960.

The previous prime is 655553741. The next prime is 655553749. The reversal of 655553742 is 247355556.

It is a junction number, because it is equal to n+sod(n) for n = 655553694 and 655553703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655553741) 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, 562609 + ... + 563772.

It is an arithmetic number, because the mean of its divisors is an integer number (82789077).

Almost surely, 2^655553742 is an apocalyptic number.

655553742 is an abundant number, since it is smaller than the sum of its proper divisors (669071490).

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

655553742 is a wasteful number, since it uses less digits than its factorization.

655553742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126483.

The product of its digits is 630000, while the sum is 42.

The square root of 655553742 is about 25603.7837438141. The cubic root of 655553742 is about 868.6992240427.

The spelling of 655553742 in words is "six hundred fifty-five million, five hundred fifty-three thousand, seven hundred forty-two".