54220004 has 12 divisors (see below), whose sum is σ = 100466604. Its totient is φ = 25515264.

The previous prime is 54219973. The next prime is 54220031. The reversal of 54220004 is 40002245.

It can be written as a sum of positive squares in 2 ways, for example, as 44622400 + 9597604 = 6680^2 + 3098^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398609 + ... + 398744.

It is an arithmetic number, because the mean of its divisors is an integer number (8372217).

Almost surely, 2^54220004 is an apocalyptic number.

It is an amenable number.

54220004 is a deficient number, since it is larger than the sum of its proper divisors (46246600).

54220004 is a wasteful number, since it uses less digits than its factorization.

54220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797374 (or 797372 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 54220004 is about 7363.4233886148. The cubic root of 54220004 is about 378.4889299422.

Adding to 54220004 its reverse (40002245), we get a palindrome (94222249).

The spelling of 54220004 in words is "fifty-four million, two hundred twenty thousand, four".