55623896802 has 96 divisors (see below), whose sum is σ = 126779120640. Its totient is φ = 18077260320.

The previous prime is 55623896789. The next prime is 55623896837. The reversal of 55623896802 is 20869832655.

55623896802 is a `hidden beast` number, since 5 + 5 + 623 + 8 + 9 + 6 + 8 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37812927 + ... + 37814397.

It is an arithmetic number, because the mean of its divisors is an integer number (1320615840).

Almost surely, 2^55623896802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55623896802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63389560320).

55623896802 is an abundant number, since it is smaller than the sum of its proper divisors (71155223838).

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

55623896802 is a wasteful number, since it uses less digits than its factorization.

55623896802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 55623896802 in words is "fifty-five billion, six hundred twenty-three million, eight hundred ninety-six thousand, eight hundred two".