27957545 has 16 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 17427840.

The previous prime is 27957529. The next prime is 27957551. The reversal of 27957545 is 54575972.

It is not a de Polignac number, because 27957545 - 2⁴ = 27957529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27957496 and 27957505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35924 + ... + 36693.

It is an arithmetic number, because the mean of its divisors is an integer number (2614248).

Almost surely, 2^27957545 is an apocalyptic number.

It is an amenable number.

27957545 is a deficient number, since it is larger than the sum of its proper divisors (13870423).

27957545 is a wasteful number, since it uses less digits than its factorization.

27957545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72640.

The product of its digits is 441000, while the sum is 44.

The square root of 27957545 is about 5287.4894798950. The cubic root of 27957545 is about 303.5053452861.

The spelling of 27957545 in words is "twenty-seven million, nine hundred fifty-seven thousand, five hundred forty-five".