30400553 has 8 divisors (see below), whose sum is σ = 31689216. Its totient is φ = 29131200.

The previous prime is 30400541. The next prime is 30400571. The reversal of 30400553 is 35500403.

30400553 is nontrivially palindromic in base 5.

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

It is a cyclic number.

It is not a de Polignac number, because 30400553 - 2⁴ = 30400537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30400523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (3961152).

Almost surely, 2^30400553 is an apocalyptic number.

It is an amenable number.

30400553 is a deficient number, since it is larger than the sum of its proper divisors (1288663).

30400553 is a wasteful number, since it uses less digits than its factorization.

30400553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30400553 is about 5513.6696491538. The cubic root of 30400553 is about 312.1000425674.

Adding to 30400553 its reverse (35500403), we get a palindrome (65900956).

The spelling of 30400553 in words is "thirty million, four hundred thousand, five hundred fifty-three".