54421402 has 16 divisors (see below), whose sum is σ = 95464512. Its totient is φ = 22780800.

The previous prime is 54421397. The next prime is 54421481. The reversal of 54421402 is 20412445.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44599 + ... + 45802.

It is an arithmetic number, because the mean of its divisors is an integer number (5966532).

Almost surely, 2^54421402 is an apocalyptic number.

54421402 is a deficient number, since it is larger than the sum of its proper divisors (41043110).

54421402 is a wasteful number, since it uses less digits than its factorization.

54421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90453.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 54421402 is about 7377.0862811818. The cubic root of 54421402 is about 378.9569781507.

Adding to 54421402 its reverse (20412445), we get a palindrome (74833847).

The spelling of 54421402 in words is "fifty-four million, four hundred twenty-one thousand, four hundred two".