54100402 has 8 divisors (see below), whose sum is σ = 83130012. Its totient is φ = 26390400.

The previous prime is 54100379. The next prime is 54100433. The reversal of 54100402 is 20400145.

It can be written as a sum of positive squares in 2 ways, for example, as 39576681 + 14523721 = 6291^2 + 3811^2 .

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

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, 329799 + ... + 329962.

Almost surely, 2^54100402 is an apocalyptic number.

54100402 is a deficient number, since it is larger than the sum of its proper divisors (29029610).

54100402 is a wasteful number, since it uses less digits than its factorization.

54100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659804.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 54100402 is about 7355.2975466666. The cubic root of 54100402 is about 378.2104265882.

Adding to 54100402 its reverse (20400145), we get a palindrome (74500547).

The spelling of 54100402 in words is "fifty-four million, one hundred thousand, four hundred two".