54542142225 has 72 divisors (see below), whose sum is σ = 101955405240. Its totient is φ = 27837143040.

The previous prime is 54542142211. The next prime is 54542142289. The reversal of 54542142225 is 52224124545.

54542142225 is a `hidden beast` number, since 5 + 4 + 5 + 421 + 4 + 2 + 225 = 666.

54542142225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 24123991761 + 30418150464 = 155319^2 + 174408^2 .

It is not a de Polignac number, because 54542142225 - 2¹⁰ = 54542141201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54542142225.

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, 700339 + ... + 774311.

It is an arithmetic number, because the mean of its divisors is an integer number (1416047295).

Almost surely, 2^54542142225 is an apocalyptic number.

It is an amenable number.

54542142225 is a deficient number, since it is larger than the sum of its proper divisors (47413263015).

54542142225 is a wasteful number, since it uses less digits than its factorization.

54542142225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74131 (or 74123 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The spelling of 54542142225 in words is "fifty-four billion, five hundred forty-two million, one hundred forty-two thousand, two hundred twenty-five".