55851137 has 8 divisors (see below), whose sum is σ = 59224032. Its totient is φ = 52488000.

The previous prime is 55851121. The next prime is 55851157. The reversal of 55851137 is 73115855.

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 55851137 - 2⁴ = 55851121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55851097 and 55851106.

It is not an unprimeable number, because it can be changed into a prime (55851157) 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, 11762 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (7403004).

Almost surely, 2^55851137 is an apocalyptic number.

It is an amenable number.

55851137 is a deficient number, since it is larger than the sum of its proper divisors (3372895).

55851137 is a wasteful number, since it uses less digits than its factorization.

55851137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its digits is 21000, while the sum is 35.

The square root of 55851137 is about 7473.3618271833. The cubic root of 55851137 is about 382.2469301558.

The spelling of 55851137 in words is "fifty-five million, eight hundred fifty-one thousand, one hundred thirty-seven".