55263506 has 8 divisors (see below), whose sum is σ = 83115120. Its totient is φ = 27558468.

The previous prime is 55263497. The next prime is 55263511. The reversal of 55263506 is 60536255.

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

It is a super-3 number, since 3×55263506³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35696 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (10389390).

Almost surely, 2^55263506 is an apocalyptic number.

55263506 is a deficient number, since it is larger than the sum of its proper divisors (27851614).

55263506 is a wasteful number, since it uses less digits than its factorization.

55263506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73288.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 55263506 is about 7433.9428300196. The cubic root of 55263506 is about 380.9016125465.

The spelling of 55263506 in words is "fifty-five million, two hundred sixty-three thousand, five hundred six".