54640158 has 8 divisors (see below), whose sum is σ = 109280328. Its totient is φ = 18213384.

The previous prime is 54640153. The next prime is 54640171. The reversal of 54640158 is 85104645.

It is a sphenic number, since it is the product of 3 distinct primes.

54640158 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553341 + ... + 4553352.

It is an arithmetic number, because the mean of its divisors is an integer number (13660041).

Almost surely, 2^54640158 is an apocalyptic number.

54640158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54640158 is a wasteful number, since it uses less digits than its factorization.

54640158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106698.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 54640158 is about 7391.8981324150. The cubic root of 54640158 is about 379.4640598098.

It can be divided in two parts, 546 and 40158, that added together give a palindrome (40704).

The spelling of 54640158 in words is "fifty-four million, six hundred forty thousand, one hundred fifty-eight".