55251306102 has 32 divisors (see below), whose sum is σ = 111140064000. Its totient is φ = 18311167008.

The previous prime is 55251306049. The next prime is 55251306109. The reversal of 55251306102 is 20160315255.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55251306102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55251306109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688599 + ... + 764637.

It is an arithmetic number, because the mean of its divisors is an integer number (3473127000).

Almost surely, 2^55251306102 is an apocalyptic number.

55251306102 is an abundant number, since it is smaller than the sum of its proper divisors (55888757898).

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

55251306102 is a wasteful number, since it uses less digits than its factorization.

55251306102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76740.

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

The spelling of 55251306102 in words is "fifty-five billion, two hundred fifty-one million, three hundred six thousand, one hundred two".