654320552 has 8 divisors (see below), whose sum is σ = 1226851050. Its totient is φ = 327160272.

The previous prime is 654320549. The next prime is 654320567. The reversal of 654320552 is 255023456.

It can be written as a sum of positive squares in only one way, i.e., 583995556 + 70324996 = 24166^2 + 8386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40895027 + ... + 40895042.

Almost surely, 2^654320552 is an apocalyptic number.

It is an amenable number.

654320552 is a deficient number, since it is larger than the sum of its proper divisors (572530498).

654320552 is a wasteful number, since it uses less digits than its factorization.

654320552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81790075 (or 81790071 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 654320552 is about 25579.6902248639. The cubic root of 654320552 is about 868.1541664482.

The spelling of 654320552 in words is "six hundred fifty-four million, three hundred twenty thousand, five hundred fifty-two".