56497098240 has 1600 divisors, whose sum is σ = 246409371648. Its totient is φ = 12209356800.

The previous prime is 56497098233. The next prime is 56497098263. The reversal of 56497098240 is 4289079465.

56497098240 is a `hidden beast` number, since 564 + 9 + 70 + 9 + 8 + 2 + 4 + 0 = 666.

It is a super-2 number, since 2×56497098240² (a number of 22 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1202065897 + ... + 1202065943.

Almost surely, 2^56497098240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56497098240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123204685824).

56497098240 is an abundant number, since it is smaller than the sum of its proper divisors (189912273408).

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

56497098240 is a wasteful number, since it uses less digits than its factorization.

56497098240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 56497098240 in words is "fifty-six billion, four hundred ninety-seven million, ninety-eight thousand, two hundred forty".