655240054 has 24 divisors (see below), whose sum is σ = 1193041008. Its totient is φ = 268606800.

The previous prime is 655240051. The next prime is 655240057. The reversal of 655240054 is 450042556.

It is an interprime number because it is at equal distance from previous prime (655240051) and next prime (655240057).

It is a junction number, because it is equal to n+sod(n) for n = 655239998 and 655240025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655240051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143097 + ... + 147604.

It is an arithmetic number, because the mean of its divisors is an integer number (49710042).

Almost surely, 2^655240054 is an apocalyptic number.

655240054 is a deficient number, since it is larger than the sum of its proper divisors (537800954).

655240054 is a wasteful number, since it uses less digits than its factorization.

655240054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290740 (or 290733 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 655240054 is about 25597.6571974859. The cubic root of 655240054 is about 868.5606419652.

The spelling of 655240054 in words is "six hundred fifty-five million, two hundred forty thousand, fifty-four".