54357215 has 8 divisors (see below), whose sum is σ = 71158608. Its totient is φ = 39532480.

The previous prime is 54357209. The next prime is 54357217. The reversal of 54357215 is 51275345.

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

It is not a de Polignac number, because 54357215 - 2¹² = 54353119 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 (54357217) 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, 494102 + ... + 494211.

It is an arithmetic number, because the mean of its divisors is an integer number (8894826).

Almost surely, 2^54357215 is an apocalyptic number.

54357215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54357215 is a deficient number, since it is larger than the sum of its proper divisors (16801393).

54357215 is a wasteful number, since it uses less digits than its factorization.

54357215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988329.

The product of its digits is 21000, while the sum is 32.

The square root of 54357215 is about 7372.7345673095. The cubic root of 54357215 is about 378.8079333515.

The spelling of 54357215 in words is "fifty-four million, three hundred fifty-seven thousand, two hundred fifteen".