54140456 has 8 divisors (see below), whose sum is σ = 101513370. Its totient is φ = 27070224.

The previous prime is 54140407. The next prime is 54140473. The reversal of 54140456 is 65404145.

It can be written as a sum of positive squares in only one way, i.e., 51351556 + 2788900 = 7166^2 + 1670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×54140456³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383771 + ... + 3383786.

Almost surely, 2^54140456 is an apocalyptic number.

It is an amenable number.

54140456 is a deficient number, since it is larger than the sum of its proper divisors (47372914).

54140456 is a wasteful number, since it uses less digits than its factorization.

54140456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767563 (or 6767559 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 54140456 is about 7358.0198423217. The cubic root of 54140456 is about 378.3037413810.

The spelling of 54140456 in words is "fifty-four million, one hundred forty thousand, four hundred fifty-six".