54305690 has 32 divisors (see below), whose sum is σ = 101640960. Its totient is φ = 20865600.

The previous prime is 54305687. The next prime is 54305723. The reversal of 54305690 is 9650345.

It is a happy number.

It is a super-2 number, since 2×54305690² = 5898215932752200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78245 + ... + 78935.

It is an arithmetic number, because the mean of its divisors is an integer number (3176280).

Almost surely, 2^54305690 is an apocalyptic number.

54305690 is a deficient number, since it is larger than the sum of its proper divisors (47335270).

54305690 is a wasteful number, since it uses less digits than its factorization.

54305690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 54305690 is about 7369.2394451531. The cubic root of 54305690 is about 378.6882053077.

The spelling of 54305690 in words is "fifty-four million, three hundred five thousand, six hundred ninety".