55506826 has 8 divisors (see below), whose sum is σ = 83725920. Its totient is φ = 27598188.

The previous prime is 55506793. The next prime is 55506827. The reversal of 55506826 is 62860555.

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

It is not an unprimeable number, because it can be changed into a prime (55506827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77166 + ... + 77881.

It is an arithmetic number, because the mean of its divisors is an integer number (10465740).

Almost surely, 2^55506826 is an apocalyptic number.

55506826 is a deficient number, since it is larger than the sum of its proper divisors (28219094).

55506826 is a wasteful number, since it uses less digits than its factorization.

55506826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155228.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 55506826 is about 7450.2903299133. The cubic root of 55506826 is about 381.4598187175.

The spelling of 55506826 in words is "fifty-five million, five hundred six thousand, eight hundred twenty-six".