54042725 has 12 divisors (see below), whose sum is σ = 73105440. Its totient is φ = 39303600.

The previous prime is 54042713. The next prime is 54042727. The reversal of 54042725 is 52724045.

It is a happy number.

It is not a de Polignac number, because 54042725 - 2⁶ = 54042661 is a prime.

It is a super-2 number, since 2×54042725² = 5841232250851250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97985 + ... + 98534.

It is an arithmetic number, because the mean of its divisors is an integer number (6092120).

Almost surely, 2^54042725 is an apocalyptic number.

54042725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54042725 is a deficient number, since it is larger than the sum of its proper divisors (19062715).

54042725 is a wasteful number, since it uses less digits than its factorization.

54042725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196540 (or 196535 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 54042725 is about 7351.3757215912. The cubic root of 54042725 is about 378.0759741096.

The spelling of 54042725 in words is "fifty-four million, forty-two thousand, seven hundred twenty-five".