655039545 has 16 divisors (see below), whose sum is σ = 1058870400. Its totient is φ = 345752064.

The previous prime is 655039537. The next prime is 655039589. The reversal of 655039545 is 545930556.

It is not a de Polignac number, because 655039545 - 2³ = 655039537 is a prime.

It is a super-4 number, since 4×655039545⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655039497 and 655039506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223645 + ... + 226554.

It is an arithmetic number, because the mean of its divisors is an integer number (66179400).

Almost surely, 2^655039545 is an apocalyptic number.

It is an amenable number.

655039545 is a deficient number, since it is larger than the sum of its proper divisors (403830855).

655039545 is a wasteful number, since it uses less digits than its factorization.

655039545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450304.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 655039545 is about 25593.7403479835. The cubic root of 655039545 is about 868.4720372918.

The spelling of 655039545 in words is "six hundred fifty-five million, thirty-nine thousand, five hundred forty-five".