505557652 has 6 divisors (see below), whose sum is σ = 884725898. Its totient is φ = 252778824.

The previous prime is 505557649. The next prime is 505557653. The reversal of 505557652 is 256755505.

It can be written as a sum of positive squares in only one way, i.e., 253573776 + 251983876 = 15924^2 + 15874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505557653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63194703 + ... + 63194710.

Almost surely, 2^505557652 is an apocalyptic number.

It is an amenable number.

505557652 is a deficient number, since it is larger than the sum of its proper divisors (379168246).

505557652 is a wasteful number, since it uses less digits than its factorization.

505557652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126389417 (or 126389415 counting only the distinct ones).

The product of its (nonzero) digits is 262500, while the sum is 40.

The square root of 505557652 is about 22484.6092249788. The cubic root of 505557652 is about 796.6304379067.

The spelling of 505557652 in words is "five hundred five million, five hundred fifty-seven thousand, six hundred fifty-two".