54465187731 has 8 divisors (see below), whose sum is σ = 72853757184. Its totient is φ = 36193371720.

The previous prime is 54465187729. The next prime is 54465187747. The reversal of 54465187731 is 13778156445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54465187731 - 2¹ = 54465187729 is a prime.

It is a super-2 number, since 2×54465187731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54465187781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29187271 + ... + 29189136.

It is an arithmetic number, because the mean of its divisors is an integer number (9106719648).

Almost surely, 2^54465187731 is an apocalyptic number.

54465187731 is a deficient number, since it is larger than the sum of its proper divisors (18388569453).

54465187731 is a wasteful number, since it uses less digits than its factorization.

54465187731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58376721.

The product of its digits is 2822400, while the sum is 51.

The spelling of 54465187731 in words is "fifty-four billion, four hundred sixty-five million, one hundred eighty-seven thousand, seven hundred thirty-one".