30455541 has 8 divisors (see below), whose sum is σ = 45119360. Its totient is φ = 20303676.

The previous prime is 30455507. The next prime is 30455563. The reversal of 30455541 is 14555403.

It is not a de Polignac number, because 30455541 - 2⁷ = 30455413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1127983 = 30455541 / (3 + 0 + 4 + 5 + 5 + 5 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30455501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563965 + ... + 564018.

It is an arithmetic number, because the mean of its divisors is an integer number (5639920).

Almost surely, 2^30455541 is an apocalyptic number.

It is an amenable number.

30455541 is a deficient number, since it is larger than the sum of its proper divisors (14663819).

30455541 is a wasteful number, since it uses less digits than its factorization.

30455541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127992 (or 1127986 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 30455541 is about 5518.6539119608. The cubic root of 30455541 is about 312.2881029647.

The spelling of 30455541 in words is "thirty million, four hundred fifty-five thousand, five hundred forty-one".