54203400 has 72 divisors (see below), whose sum is σ = 182039130. Its totient is φ = 14453760.

The previous prime is 54203393. The next prime is 54203419. The reversal of 54203400 is 430245.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 50211396 + 3992004 = 7086^2 + 1998^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13257 + ... + 16856.

Almost surely, 2^54203400 is an apocalyptic number.

54203400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54203400 is an abundant number, since it is smaller than the sum of its proper divisors (127835730).

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

54203400 is a wasteful number, since it uses less digits than its factorization.

54203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30135 (or 30123 counting only the distinct ones).

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

The square root of 54203400 is about 7362.2958375768. The cubic root of 54203400 is about 378.4502906250.

Adding to 54203400 its reverse (430245), we get a palindrome (54633645).

The spelling of 54203400 in words is "fifty-four million, two hundred three thousand, four hundred".