55008137 has 8 divisors (see below), whose sum is σ = 56399904. Its totient is φ = 53621568.

The previous prime is 55008133. The next prime is 55008169. The reversal of 55008137 is 73180055.

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 55008137 - 2² = 55008133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55008133) 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, 28433 + ... + 30305.

It is an arithmetic number, because the mean of its divisors is an integer number (7049988).

Almost surely, 2^55008137 is an apocalyptic number.

It is an amenable number.

55008137 is a deficient number, since it is larger than the sum of its proper divisors (1391767).

55008137 is a wasteful number, since it uses less digits than its factorization.

55008137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 55008137 is about 7416.7470632347. The cubic root of 55008137 is about 380.3139994690.

The spelling of 55008137 in words is "fifty-five million, eight thousand, one hundred thirty-seven".