552345401566 has 24 divisors (see below), whose sum is σ = 963971503776. Its totient is φ = 236673984960.

The previous prime is 552345401561. The next prime is 552345401579. The reversal of 552345401566 is 665104543255.

552345401566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552345401566² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552345401561) 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, 26091 + ... + 1051366.

It is an arithmetic number, because the mean of its divisors is an integer number (40165479324).

Almost surely, 2^552345401566 is an apocalyptic number.

552345401566 is a deficient number, since it is larger than the sum of its proper divisors (411626102210).

552345401566 is a wasteful number, since it uses less digits than its factorization.

552345401566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082704 (or 1082697 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 552345401566 in words is "five hundred fifty-two billion, three hundred forty-five million, four hundred one thousand, five hundred sixty-six".