553405440734041 has 27 divisors (see below), whose sum is σ = 653522104824309. Its totient is φ = 467258391158328.

The previous prime is 553405440734017. The next prime is 553405440734057. The reversal of 553405440734041 is 140437044504355.

The square root of 553405440734041 is 23524571.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-553405440734041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (553405440734141) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11032998720 + ... + 11033048878.

Almost surely, 2^{553405440734041} is an apocalyptic number.

553405440734041 is the 23524571-st square number.

553405440734041 is the 11762286-th centered octagonal number.

It is an amenable number.

553405440734041 is a deficient number, since it is larger than the sum of its proper divisors (100116664090268).

553405440734041 is an frugal number, since it uses more digits than its factorization.

553405440734041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100466 (or 50233 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 49.

553405440734041 divided by its sum of digits (49) gives a square (11293988586409 = 3360653²).

The spelling of 553405440734041 in words is "five hundred fifty-three trillion, four hundred five billion, four hundred forty million, seven hundred thirty-four thousand, forty-one".