29945554 has 4 divisors (see below), whose sum is σ = 44918334. Its totient is φ = 14972776.

The previous prime is 29945537. The next prime is 29945561. The reversal of 29945554 is 45554992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 7144929 = 4775^2 + 2673^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29945554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7486387 + ... + 7486390.

Almost surely, 2^29945554 is an apocalyptic number.

29945554 is a deficient number, since it is larger than the sum of its proper divisors (14972780).

29945554 is a wasteful number, since it uses less digits than its factorization.

29945554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972779.

The product of its digits is 324000, while the sum is 43.

The square root of 29945554 is about 5472.2531008717. The cubic root of 29945554 is about 310.5351630081.

The spelling of 29945554 in words is "twenty-nine million, nine hundred forty-five thousand, five hundred fifty-four".