55152089 has 8 divisors (see below), whose sum is σ = 57328320. Its totient is φ = 53012016.

The previous prime is 55152073. The next prime is 55152133. The reversal of 55152089 is 98025155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55152089 - 2⁴ = 55152073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55152049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5909 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (7166040).

Almost surely, 2^55152089 is an apocalyptic number.

It is an amenable number.

55152089 is a deficient number, since it is larger than the sum of its proper divisors (2176231).

55152089 is a wasteful number, since it uses less digits than its factorization.

55152089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18079.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 55152089 is about 7426.4452465497. The cubic root of 55152089 is about 380.6454611822.

The spelling of 55152089 in words is "fifty-five million, one hundred fifty-two thousand, eighty-nine".