54142457 has 8 divisors (see below), whose sum is σ = 57224160. Its totient is φ = 51084000.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142457 is 75424145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54142457 - 2² = 54142453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54142453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (7153020).

Almost surely, 2^54142457 is an apocalyptic number.

It is an amenable number.

54142457 is a deficient number, since it is larger than the sum of its proper divisors (3081703).

54142457 is a wasteful number, since it uses less digits than its factorization.

54142457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623.

The product of its digits is 22400, while the sum is 32.

The square root of 54142457 is about 7358.1558151482. The cubic root of 54142457 is about 378.3084019529.

The spelling of 54142457 in words is "fifty-four million, one hundred forty-two thousand, four hundred fifty-seven".