55208951 has 8 divisors (see below), whose sum is σ = 63960864. Its totient is φ = 46673280.

The previous prime is 55208941. The next prime is 55208957. The reversal of 55208951 is 15980255.

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

It is not a de Polignac number, because 55208951 - 2⁶ = 55208887 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 (55208957) 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, 53510 + ... + 54531.

It is an arithmetic number, because the mean of its divisors is an integer number (7995108).

Almost surely, 2^55208951 is an apocalyptic number.

55208951 is a deficient number, since it is larger than the sum of its proper divisors (8751913).

55208951 is a wasteful number, since it uses less digits than its factorization.

55208951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108121.

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

The square root of 55208951 is about 7430.2726060354. The cubic root of 55208951 is about 380.7762318591.

The spelling of 55208951 in words is "fifty-five million, two hundred eight thousand, nine hundred fifty-one".