553531948695 has 128 divisors (see below), whose sum is σ = 1131746273280. Its totient is φ = 254062448640.

The previous prime is 553531948681. The next prime is 553531948699. The reversal of 553531948695 is 596849135355.

It is a happy number.

553531948695 is a `hidden beast` number, since 5 + 5 + 3 + 53 + 19 + 486 + 95 = 666.

It is not a de Polignac number, because 553531948695 - 2¹¹ = 553531946647 is a prime.

It is a super-2 number, since 2×553531948695² (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 (553531948699) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3229497 + ... + 3396573.

It is an arithmetic number, because the mean of its divisors is an integer number (8841767760).

Almost surely, 2^553531948695 is an apocalyptic number.

553531948695 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

553531948695 is an abundant number, since it is smaller than the sum of its proper divisors (578214324585).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553531948695 is a wasteful number, since it uses less digits than its factorization.

553531948695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167222 (or 167216 counting only the distinct ones).

The product of its digits is 87480000, while the sum is 63.

The spelling of 553531948695 in words is "five hundred fifty-three billion, five hundred thirty-one million, nine hundred forty-eight thousand, six hundred ninety-five".