54400302 has 32 divisors (see below), whose sum is σ = 131880960. Its totient is φ = 16484760.

The previous prime is 54400261. The next prime is 54400303. The reversal of 54400302 is 20300445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45198 + ... + 46385.

It is an arithmetic number, because the mean of its divisors is an integer number (4121280).

Almost surely, 2^54400302 is an apocalyptic number.

54400302 is an abundant number, since it is smaller than the sum of its proper divisors (77480658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54400302 is a wasteful number, since it uses less digits than its factorization.

54400302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91605 (or 91599 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 54400302 is about 7375.6560386179. The cubic root of 54400302 is about 378.9079960373.

Adding to 54400302 its reverse (20300445), we get a palindrome (74700747).

The spelling of 54400302 in words is "fifty-four million, four hundred thousand, three hundred two".