55146307485 has 16 divisors (see below), whose sum is σ = 88258294080. Its totient is φ = 29403296640.

The previous prime is 55146307483. The next prime is 55146307499. The reversal of 55146307485 is 58470364155.

It is not a de Polignac number, because 55146307485 - 2¹ = 55146307483 is a prime.

It is a super-2 number, since 2×55146307485² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146307483) 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, 447496 + ... + 557265.

It is an arithmetic number, because the mean of its divisors is an integer number (5516143380).

Almost surely, 2^55146307485 is an apocalyptic number.

It is an amenable number.

55146307485 is a deficient number, since it is larger than the sum of its proper divisors (33111986595).

55146307485 is a wasteful number, since it uses less digits than its factorization.

55146307485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008428.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 55146307485 in words is "fifty-five billion, one hundred forty-six million, three hundred seven thousand, four hundred eighty-five".