29978053 has 12 divisors (see below), whose sum is σ = 34992300. Its totient is φ = 25607232.

The previous prime is 29978041. The next prime is 29978059. The reversal of 29978053 is 35087992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 20448484 = 3087^2 + 4522^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29978053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29978059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16225 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (2916025).

Almost surely, 2^29978053 is an apocalyptic number.

It is an amenable number.

29978053 is a deficient number, since it is larger than the sum of its proper divisors (5014247).

29978053 is a wasteful number, since it uses less digits than its factorization.

29978053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 29978053 is about 5475.2217306699. The cubic root of 29978053 is about 310.6474605197.

The spelling of 29978053 in words is "twenty-nine million, nine hundred seventy-eight thousand, fifty-three".