54854947 has 16 divisors (see below), whose sum is σ = 64281600. Its totient is φ = 45837792.

The previous prime is 54854939. The next prime is 54854953. The reversal of 54854947 is 74945845.

It is not a de Polignac number, because 54854947 - 2³ = 54854939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54854897 and 54854906.

It is not an unprimeable number, because it can be changed into a prime (54854347) 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, 73458 + ... + 74200.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^54854947 is an apocalyptic number.

54854947 is a deficient number, since it is larger than the sum of its proper divisors (9426653).

54854947 is a wasteful number, since it uses less digits than its factorization.

54854947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its digits is 806400, while the sum is 46.

The square root of 54854947 is about 7406.4125593974. The cubic root of 54854947 is about 379.9606307321.

The spelling of 54854947 in words is "fifty-four million, eight hundred fifty-four thousand, nine hundred forty-seven".