56154133553225 has 12 divisors (see below), whose sum is σ = 69646727609856. Its totient is φ = 44913241033680.

The previous prime is 56154133553129. The next prime is 56154133553263. The reversal of 56154133553225 is 52235533145165.

It is not a de Polignac number, because 56154133553225 - 2⁴⁴ = 38561947508809 is a prime.

It is a super-2 number, since 2×56154133553225² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251531417 + ... + 251754566.

It is an arithmetic number, because the mean of its divisors is an integer number (5803893967488).

Almost surely, 2^{56154133553225} is an apocalyptic number.

It is an amenable number.

56154133553225 is a deficient number, since it is larger than the sum of its proper divisors (13492594056631).

56154133553225 is a wasteful number, since it uses less digits than its factorization.

56154133553225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503290456 (or 503290451 counting only the distinct ones).

The product of its digits is 8100000, while the sum is 50.

The spelling of 56154133553225 in words is "fifty-six trillion, one hundred fifty-four billion, one hundred thirty-three million, five hundred fifty-three thousand, two hundred twenty-five".