54471015 has 64 divisors (see below), whose sum is σ = 103265280. Its totient is φ = 27181440.

The previous prime is 54471013. The next prime is 54471023. The reversal of 54471015 is 51017445.

It is a happy number.

It is not a de Polignac number, because 54471015 - 2¹ = 54471013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 54471015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54471013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164400 + ... + 164730.

It is an arithmetic number, because the mean of its divisors is an integer number (1613520).

Almost surely, 2^54471015 is an apocalyptic number.

54471015 is a deficient number, since it is larger than the sum of its proper divisors (48794265).

54471015 is a wasteful number, since it uses less digits than its factorization.

54471015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 54471015 is about 7380.4481571243. The cubic root of 54471015 is about 379.0721012543.

The spelling of 54471015 in words is "fifty-four million, four hundred seventy-one thousand, fifteen".