54647929 has 8 divisors (see below), whose sum is σ = 63633600. Its totient is φ = 45956976.

The previous prime is 54647921. The next prime is 54647941. The reversal of 54647929 is 92974645.

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 54647929 - 2³ = 54647921 is a prime.

It is a super-2 number, since 2×54647929² = 5972792287978082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54647921) 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, 73279 + ... + 74020.

It is an arithmetic number, because the mean of its divisors is an integer number (7954200).

Almost surely, 2^54647929 is an apocalyptic number.

It is an amenable number.

54647929 is a deficient number, since it is larger than the sum of its proper divisors (8985671).

54647929 is a wasteful number, since it uses less digits than its factorization.

54647929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147359.

The product of its digits is 544320, while the sum is 46.

The square root of 54647929 is about 7392.4237567932. The cubic root of 54647929 is about 379.4820482608.

The spelling of 54647929 in words is "fifty-four million, six hundred forty-seven thousand, nine hundred twenty-nine".