54180678765 has 8 divisors (see below), whose sum is σ = 86689086048. Its totient is φ = 28896362000.

The previous prime is 54180678763. The next prime is 54180678781. The reversal of 54180678765 is 56787608145.

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 54180678765 - 2¹ = 54180678763 is a prime.

It is a super-2 number, since 2×54180678765² (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 (54180678763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806022611 + ... + 1806022640.

It is an arithmetic number, because the mean of its divisors is an integer number (10836135756).

Almost surely, 2^54180678765 is an apocalyptic number.

It is an amenable number.

54180678765 is a deficient number, since it is larger than the sum of its proper divisors (32508407283).

54180678765 is a wasteful number, since it uses less digits than its factorization.

54180678765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612045259.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 54180678765 in words is "fifty-four billion, one hundred eighty million, six hundred seventy-eight thousand, seven hundred sixty-five".