27955051 has 4 divisors (see below), whose sum is σ = 29170512. Its totient is φ = 26739592.

The previous prime is 27955033. The next prime is 27955079. The reversal of 27955051 is 15055972.

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

It is a cyclic number.

It is not a de Polignac number, because 27955051 - 2¹³ = 27946859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27954998 and 27955016.

It is not an unprimeable number, because it can be changed into a prime (27955351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607696 + ... + 607741.

It is an arithmetic number, because the mean of its divisors is an integer number (7292628).

Almost surely, 2^27955051 is an apocalyptic number.

27955051 is a deficient number, since it is larger than the sum of its proper divisors (1215461).

27955051 is a wasteful number, since it uses less digits than its factorization.

27955051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215460.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 27955051 is about 5287.2536349224. The cubic root of 27955051 is about 303.4963201155.

The spelling of 27955051 in words is "twenty-seven million, nine hundred fifty-five thousand, fifty-one".