565551601432 has 32 divisors (see below), whose sum is σ = 1093613875200. Its totient is φ = 274024797984.

The previous prime is 565551601427. The next prime is 565551601481. The reversal of 565551601432 is 234106155565.

It is a happy number.

It is a super-2 number, since 2×565551601432² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6428932 + ... + 6516307.

It is an arithmetic number, because the mean of its divisors is an integer number (34175433600).

Almost surely, 2^565551601432 is an apocalyptic number.

It is an amenable number.

565551601432 is a deficient number, since it is larger than the sum of its proper divisors (528062273768).

565551601432 is a wasteful number, since it uses less digits than its factorization.

565551601432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945415 (or 12945411 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

Adding to 565551601432 its reverse (234106155565), we get a palindrome (799657756997).

The spelling of 565551601432 in words is "five hundred sixty-five billion, five hundred fifty-one million, six hundred one thousand, four hundred thirty-two".