55311051 has 8 divisors (see below), whose sum is σ = 73947280. Its totient is φ = 36774432.

The previous prime is 55311043. The next prime is 55311077. The reversal of 55311051 is 15011355.

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

It is not a de Polignac number, because 55311051 - 2³ = 55311043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23596 + ... + 25833.

It is an arithmetic number, because the mean of its divisors is an integer number (9243410).

Almost surely, 2^55311051 is an apocalyptic number.

55311051 is a deficient number, since it is larger than the sum of its proper divisors (18636229).

55311051 is a wasteful number, since it uses less digits than its factorization.

55311051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49805.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 55311051 is about 7437.1399744794. The cubic root of 55311051 is about 381.0108152702.

The spelling of 55311051 in words is "fifty-five million, three hundred eleven thousand, fifty-one".