54051247 has 8 divisors (see below), whose sum is σ = 55246400. Its totient is φ = 52869024.

The previous prime is 54051241. The next prime is 54051271. The reversal of 54051247 is 74215045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54051247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54051241) 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, 5473 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (6905800).

Almost surely, 2^54051247 is an apocalyptic number.

54051247 is a deficient number, since it is larger than the sum of its proper divisors (1195153).

54051247 is a wasteful number, since it uses less digits than its factorization.

54051247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 54051247 is about 7351.9553181450. The cubic root of 54051247 is about 378.0958460049.

The spelling of 54051247 in words is "fifty-four million, fifty-one thousand, two hundred forty-seven".