30429955 has 4 divisors (see below), whose sum is σ = 36515952. Its totient is φ = 24343960.

The previous prime is 30429923. The next prime is 30430013. The reversal of 30429955 is 55992403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55992403 = 3187 ⋅17569.

It is not a de Polignac number, because 30429955 - 2⁵ = 30429923 is a prime.

It is a super-2 number, since 2×30429955² = 1851964322604050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042991 + ... + 3043000.

It is an arithmetic number, because the mean of its divisors is an integer number (9128988).

Almost surely, 2^30429955 is an apocalyptic number.

30429955 is a deficient number, since it is larger than the sum of its proper divisors (6085997).

30429955 is an equidigital number, since it uses as much as digits as its factorization.

30429955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085996.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 30429955 is about 5516.3352871268. The cubic root of 30429955 is about 312.2006263596.

The spelling of 30429955 in words is "thirty million, four hundred twenty-nine thousand, nine hundred fifty-five".