55265951 has 8 divisors (see below), whose sum is σ = 60271680. Its totient is φ = 50368032.

The previous prime is 55265911. The next prime is 55265971. The reversal of 55265951 is 15956255.

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

It is not a de Polignac number, because 55265951 - 2¹⁰ = 55264927 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 (55265911) 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, 25880 + ... + 27933.

It is an arithmetic number, because the mean of its divisors is an integer number (7533960).

Almost surely, 2^55265951 is an apocalyptic number.

55265951 is a deficient number, since it is larger than the sum of its proper divisors (5005729).

55265951 is a wasteful number, since it uses less digits than its factorization.

55265951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53905.

The product of its digits is 67500, while the sum is 38.

The square root of 55265951 is about 7434.1072766002. The cubic root of 55265951 is about 380.9072298202.

The spelling of 55265951 in words is "fifty-five million, two hundred sixty-five thousand, nine hundred fifty-one".