55256610 has 32 divisors (see below), whose sum is σ = 132816960. Its totient is φ = 14712768.

The previous prime is 55256573. The next prime is 55256611. The reversal of 55256610 is 1665255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55256611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31209 + ... + 32931.

It is an arithmetic number, because the mean of its divisors is an integer number (4150530).

Almost surely, 2^55256610 is an apocalyptic number.

55256610 is an abundant number, since it is smaller than the sum of its proper divisors (77560350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55256610 is a wasteful number, since it uses less digits than its factorization.

55256610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 55256610 is about 7433.4789970780. The cubic root of 55256610 is about 380.8857684150.

The spelling of 55256610 in words is "fifty-five million, two hundred fifty-six thousand, six hundred ten".