54929805 has 32 divisors (see below), whose sum is σ = 106354944. Its totient is φ = 23632896.

The previous prime is 54929801. The next prime is 54929837. The reversal of 54929805 is 50892945.

It is not a de Polignac number, because 54929805 - 2² = 54929801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54929801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13602 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (3323592).

Almost surely, 2^54929805 is an apocalyptic number.

It is an amenable number.

54929805 is a deficient number, since it is larger than the sum of its proper divisors (51425139).

54929805 is a wasteful number, since it uses less digits than its factorization.

54929805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 54929805 is about 7411.4644301919. The cubic root of 54929805 is about 380.1333903823.

The spelling of 54929805 in words is "fifty-four million, nine hundred twenty-nine thousand, eight hundred five".