54640235 has 12 divisors (see below), whose sum is σ = 71001072. Its totient is φ = 40349088.

The previous prime is 54640217. The next prime is 54640241. The reversal of 54640235 is 53204645.

It is not a de Polignac number, because 54640235 - 2⁶ = 54640171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54640198 and 54640207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31487 + ... + 33176.

It is an arithmetic number, because the mean of its divisors is an integer number (5916756).

Almost surely, 2^54640235 is an apocalyptic number.

54640235 is a deficient number, since it is larger than the sum of its proper divisors (16360837).

54640235 is a wasteful number, since it uses less digits than its factorization.

54640235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64694 (or 64681 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 54640235 is about 7391.9033408182. The cubic root of 54640235 is about 379.4642380591.

The spelling of 54640235 in words is "fifty-four million, six hundred forty thousand, two hundred thirty-five".