54420415 has 32 divisors (see below), whose sum is σ = 79119360. Its totient is φ = 35126784.

The previous prime is 54420409. The next prime is 54420419. The reversal of 54420415 is 51402445.

It is a happy number.

It is not a de Polignac number, because 54420415 - 2⁹ = 54419903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54420415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54420419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53431 + ... + 54439.

It is an arithmetic number, because the mean of its divisors is an integer number (2472480).

Almost surely, 2^54420415 is an apocalyptic number.

54420415 is a deficient number, since it is larger than the sum of its proper divisors (24698945).

54420415 is a wasteful number, since it uses less digits than its factorization.

54420415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 54420415 is about 7377.0193845482. The cubic root of 54420415 is about 378.9546871844.

The spelling of 54420415 in words is "fifty-four million, four hundred twenty thousand, four hundred fifteen".