54046945 has 16 divisors (see below), whose sum is σ = 66947328. Its totient is φ = 41863680.

The previous prime is 54046943. The next prime is 54046991. The reversal of 54046945 is 54964045.

It is not a de Polignac number, because 54046945 - 2¹ = 54046943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54046943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21610 + ... + 23980.

It is an arithmetic number, because the mean of its divisors is an integer number (4184208).

Almost surely, 2^54046945 is an apocalyptic number.

It is an amenable number.

54046945 is a deficient number, since it is larger than the sum of its proper divisors (12900383).

54046945 is a wasteful number, since it uses less digits than its factorization.

54046945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 54046945 is about 7351.6627370956. The cubic root of 54046945 is about 378.0858147131.

The spelling of 54046945 in words is "fifty-four million, forty-six thousand, nine hundred forty-five".