15000054 has 8 divisors (see below), whose sum is σ = 30000120. Its totient is φ = 5000016.

The previous prime is 15000053. The next prime is 15000067. The reversal of 15000054 is 45000051.

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

15000054 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14999997 and 15000042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249999 + ... + 1250010.

It is an arithmetic number, because the mean of its divisors is an integer number (3750015).

Almost surely, 2^15000054 is an apocalyptic number.

15000054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15000054 is a wasteful number, since it uses less digits than its factorization.

15000054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500014.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 15000054 is about 3872.9903175712. The cubic root of 15000054 is about 246.6215033781.

The spelling of 15000054 in words is "fifteen million, fifty-four", and thus it is an aban number.