55012341402 has 64 divisors (see below), whose sum is σ = 123799777920. Its totient is φ = 18105206400.

The previous prime is 55012341383. The next prime is 55012341407. The reversal of 55012341402 is 20414321055.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55012341407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10220752 + ... + 10226132.

It is an arithmetic number, because the mean of its divisors is an integer number (1934371530).

Almost surely, 2^55012341402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55012341402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61899888960).

55012341402 is an abundant number, since it is smaller than the sum of its proper divisors (68787436518).

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

55012341402 is a wasteful number, since it uses less digits than its factorization.

55012341402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756 (or 7750 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 55012341402 its reverse (20414321055), we get a palindrome (75426662457).

The spelling of 55012341402 in words is "fifty-five billion, twelve million, three hundred forty-one thousand, four hundred two".