55763724975450 has 96 divisors (see below), whose sum is σ = 138904854341760. Its totient is φ = 14804653958400.

The previous prime is 55763724975391. The next prime is 55763724975457. The reversal of 55763724975450 is 5457942736755.

It is a happy number.

It is a super-2 number, since 2×55763724975450² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55763724975457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1288687315 + ... + 1288730585.

It is an arithmetic number, because the mean of its divisors is an integer number (1446925566060).

Almost surely, 2^{55763724975450} is an apocalyptic number.

55763724975450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55763724975450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69452427170880).

55763724975450 is an abundant number, since it is smaller than the sum of its proper divisors (83141129366310).

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

55763724975450 is a wasteful number, since it uses less digits than its factorization.

55763724975450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81032 (or 81027 counting only the distinct ones).

The product of its (nonzero) digits is 1111320000, while the sum is 69.

The spelling of 55763724975450 in words is "fifty-five trillion, seven hundred sixty-three billion, seven hundred twenty-four million, nine hundred seventy-five thousand, four hundred fifty".