55355498471 has 16 divisors (see below), whose sum is σ = 70327584768. Its totient is φ = 42384924000.

The previous prime is 55355498389. The next prime is 55355498503. The reversal of 55355498471 is 17489455355.

It is a cyclic number.

It is not a de Polignac number, because 55355498471 - 2¹⁰ = 55355497447 is a prime.

It is a super-3 number, since 3×55355498471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55355498071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9808505 + ... + 9814146.

It is an arithmetic number, because the mean of its divisors is an integer number (4395474048).

Almost surely, 2^55355498471 is an apocalyptic number.

55355498471 is a deficient number, since it is larger than the sum of its proper divisors (14972086297).

55355498471 is a wasteful number, since it uses less digits than its factorization.

55355498471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622702.

The product of its digits is 15120000, while the sum is 56.

The spelling of 55355498471 in words is "fifty-five billion, three hundred fifty-five million, four hundred ninety-eight thousand, four hundred seventy-one".