54891264 has 36 divisors (see below), whose sum is σ = 146092856. Its totient is φ = 18296832.

The previous prime is 54891259. The next prime is 54891269. The reversal of 54891264 is 46219845.

It is an interprime number because it is at equal distance from previous prime (54891259) and next prime (54891269).

It is a super-3 number, since 3×54891264³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54891269) 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, 34969 + ... + 36504.

Almost surely, 2^54891264 is an apocalyptic number.

It is an amenable number.

54891264 is an abundant number, since it is smaller than the sum of its proper divisors (91201592).

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

54891264 is an equidigital number, since it uses as much as digits as its factorization.

54891264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71492 (or 71478 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 54891264 is about 7408.8638805150. The cubic root of 54891264 is about 380.0444638645.

It can be divided in two parts, 54891 and 264, that added together give a palindrome (55155).

The spelling of 54891264 in words is "fifty-four million, eight hundred ninety-one thousand, two hundred sixty-four".