54642564725157 has 12 divisors (see below), whose sum is σ = 81649809359820. Its totient is φ = 35172225570048.

The previous prime is 54642564725143. The next prime is 54642564725183. The reversal of 54642564725157 is 75152746524645.

54642564725157 is a `hidden beast` number, since 5 + 4 + 6 + 4 + 2 + 5 + 6 + 472 + 5 + 157 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35297073205956 + 19345491519201 = 5941134^2 + 4398351^2 .

It is not a de Polignac number, because 54642564725157 - 2⁶ = 54642564725093 is a prime.

It is a super-3 number, since 3×54642564725157³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54642564725094 and 54642564725103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642564725117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104679242508 + ... + 104679243029.

It is an arithmetic number, because the mean of its divisors is an integer number (6804150779985).

Almost surely, 2^{54642564725157} is an apocalyptic number.

It is an amenable number.

54642564725157 is a deficient number, since it is larger than the sum of its proper divisors (27007244634663).

54642564725157 is a wasteful number, since it uses less digits than its factorization.

54642564725157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209358485572 (or 209358485569 counting only the distinct ones).

The product of its digits is 282240000, while the sum is 63.

The spelling of 54642564725157 in words is "fifty-four trillion, six hundred forty-two billion, five hundred sixty-four million, seven hundred twenty-five thousand, one hundred fifty-seven".