54217406 has 8 divisors (see below), whose sum is σ = 82131624. Its totient is φ = 26840200.

The previous prime is 54217399. The next prime is 54217409. The reversal of 54217406 is 60471245.

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

It is a super-2 number, since 2×54217406² = 5879054226737672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54217409) 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, 134000 + ... + 134403.

It is an arithmetic number, because the mean of its divisors is an integer number (10266453).

Almost surely, 2^54217406 is an apocalyptic number.

54217406 is a deficient number, since it is larger than the sum of its proper divisors (27914218).

54217406 is a wasteful number, since it uses less digits than its factorization.

54217406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268506.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 54217406 is about 7363.2469739918. The cubic root of 54217406 is about 378.4828846338.

The spelling of 54217406 in words is "fifty-four million, two hundred seventeen thousand, four hundred six".