29939122552 has 32 divisors (see below), whose sum is σ = 60820254000. Its totient is φ = 13761345024.

The previous prime is 29939122537. The next prime is 29939122571. The reversal of 29939122552 is 25522193992.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29939122496 and 29939122505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2553927 + ... + 2565622.

Almost surely, 2^29939122552 is an apocalyptic number.

It is an amenable number.

29939122552 is an abundant number, since it is smaller than the sum of its proper divisors (30881131448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29939122552 is a wasteful number, since it uses less digits than its factorization.

29939122552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119615 (or 5119611 counting only the distinct ones).

The product of its digits is 874800, while the sum is 49.

The spelling of 29939122552 in words is "twenty-nine billion, nine hundred thirty-nine million, one hundred twenty-two thousand, five hundred fifty-two".