56676321450 has 144 divisors (see below), whose sum is σ = 174203939520. Its totient is φ = 12941141760.

The previous prime is 56676321439. The next prime is 56676321461. The reversal of 56676321450 is 5412367665.

56676321450 is a `hidden beast` number, since 5 + 6 + 6 + 7 + 632 + 1 + 4 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56676321439) and next prime (56676321461).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 56676321396 and 56676321405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3201022 + ... + 3218678.

It is an arithmetic number, because the mean of its divisors is an integer number (1209749580).

Almost surely, 2^56676321450 is an apocalyptic number.

56676321450 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 56676321450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87101969760).

56676321450 is an abundant number, since it is smaller than the sum of its proper divisors (117527618070).

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

56676321450 is a wasteful number, since it uses less digits than its factorization.

56676321450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18701 (or 18693 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 56676321450 in words is "fifty-six billion, six hundred seventy-six million, three hundred twenty-one thousand, four hundred fifty".