29800545 has 16 divisors (see below), whose sum is σ = 49325760. Its totient is φ = 15345344.

The previous prime is 29800543. The next prime is 29800553. The reversal of 29800545 is 54500892.

It is a cyclic number.

It is not a de Polignac number, because 29800545 - 2¹ = 29800543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29800543) 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, 33819 + ... + 34688.

It is an arithmetic number, because the mean of its divisors is an integer number (3082860).

Almost surely, 2^29800545 is an apocalyptic number.

It is an amenable number.

29800545 is a deficient number, since it is larger than the sum of its proper divisors (19525215).

29800545 is a wasteful number, since it uses less digits than its factorization.

29800545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68544.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 29800545 is about 5458.9875434919. The cubic root of 29800545 is about 310.0331043385.

The spelling of 29800545 in words is "twenty-nine million, eight hundred thousand, five hundred forty-five".