54211087 has 4 divisors (see below), whose sum is σ = 61955536. Its totient is φ = 46466640.

The previous prime is 54211081. The next prime is 54211097. The reversal of 54211087 is 78011245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54211087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54211081) 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, 3872214 + ... + 3872227.

It is an arithmetic number, because the mean of its divisors is an integer number (15488884).

Almost surely, 2^54211087 is an apocalyptic number.

54211087 is a deficient number, since it is larger than the sum of its proper divisors (7744449).

54211087 is an equidigital number, since it uses as much as digits as its factorization.

54211087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744448.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 54211087 is about 7362.8178708970. The cubic root of 54211087 is about 378.4681800924.

The spelling of 54211087 in words is "fifty-four million, two hundred eleven thousand, eighty-seven".