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54464381 = 117146511
BaseRepresentation
bin1100111111000…
…0111101111101
310210111002002022
43033300331331
5102420330011
65223205525
71230640166
oct317607575
9123432068
1054464381
112881a994
12162a68a5
13b38c45a
14733a76d
154bac8db
hex33f0f7d

54464381 has 4 divisors (see below), whose sum is σ = 54512064. Its totient is φ = 54416700.

The previous prime is 54464363. The next prime is 54464383. The reversal of 54464381 is 18346445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54464381 is a prime.

It is a super-2 number, since 2×544643812 = 5932737595426322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54464383) 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, 22085 + ... + 24426.

It is an arithmetic number, because the mean of its divisors is an integer number (13628016).

Almost surely, 254464381 is an apocalyptic number.

It is an amenable number.

54464381 is a deficient number, since it is larger than the sum of its proper divisors (47683).

54464381 is a wasteful number, since it uses less digits than its factorization.

54464381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47682.

The product of its digits is 46080, while the sum is 35.

The square root of 54464381 is about 7379.9987127370. The cubic root of 54464381 is about 379.0567116236.

It can be divided in two parts, 54464 and 381, that added together give a palindrome (54845).

The spelling of 54464381 in words is "fifty-four million, four hundred sixty-four thousand, three hundred eighty-one".

Divisors: 1 1171 46511 54464381