56665205151450 has 192 divisors, whose sum is σ = 171350876556288. Its totient is φ = 12097106611200.

The previous prime is 56665205151419. The next prime is 56665205151461. The reversal of 56665205151450 is 5415150256665.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 56665205151393 and 56665205151402.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9778144 + ... + 14454843.

It is an arithmetic number, because the mean of its divisors is an integer number (892452482064).

Almost surely, 2^{56665205151450} is an apocalyptic number.

56665205151450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56665205151450 is an abundant number, since it is smaller than the sum of its proper divisors (114685671404838).

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

56665205151450 is a wasteful number, since it uses less digits than its factorization.

56665205151450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24233157 (or 24233152 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 56665205151450 in words is "fifty-six trillion, six hundred sixty-five billion, two hundred five million, one hundred fifty-one thousand, four hundred fifty".