54680015 has 8 divisors (see below), whose sum is σ = 70663488. Its totient is φ = 40379040.

The previous prime is 54680009. The next prime is 54680023. The reversal of 54680015 is 51008645.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-54680015 is a prime.

It is a super-3 number, since 3×54680015³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54680015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420551 + ... + 420680.

It is an arithmetic number, because the mean of its divisors is an integer number (8832936).

Almost surely, 2^54680015 is an apocalyptic number.

54680015 is a deficient number, since it is larger than the sum of its proper divisors (15983473).

54680015 is a wasteful number, since it uses less digits than its factorization.

54680015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841249.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 54680015 is about 7394.5936331890. The cubic root of 54680015 is about 379.5563034612.

The spelling of 54680015 in words is "fifty-four million, six hundred eighty thousand, fifteen".