30134055 has 32 divisors (see below), whose sum is σ = 55425024. Its totient is φ = 13694976.

The previous prime is 30134029. The next prime is 30134059. The reversal of 30134055 is 55043103.

It is not a de Polignac number, because 30134055 - 2¹² = 30129959 is a prime.

It is a super-2 number, since 2×30134055² = 1816122541486050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19522 + ... + 21008.

It is an arithmetic number, because the mean of its divisors is an integer number (1732032).

Almost surely, 2^30134055 is an apocalyptic number.

30134055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30134055 is a deficient number, since it is larger than the sum of its proper divisors (25290969).

30134055 is a wasteful number, since it uses less digits than its factorization.

30134055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30134055 is about 5489.4494259443. The cubic root of 30134055 is about 311.1853852096.

Adding to 30134055 its reverse (55043103), we get a palindrome (85177158).

The spelling of 30134055 in words is "thirty million, one hundred thirty-four thousand, fifty-five".