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54557480 = 2351363937
BaseRepresentation
bin1101000000011…
…1101100101000
310210122210210102
43100013230220
5102431314410
65225204532
71231505465
oct320075450
9123583712
1054557480
112888392a
1216330748
13b3c2943
14736266c
154bca2a5
hex3407b28

54557480 has 16 divisors (see below), whose sum is σ = 122754420. Its totient is φ = 21822976.

The previous prime is 54557467. The next prime is 54557491. The reversal of 54557480 is 8475545.

It can be written as a sum of positive squares in 2 ways, for example, as 54140164 + 417316 = 7358^2 + 646^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681929 + ... + 682008.

Almost surely, 254557480 is an apocalyptic number.

It is an amenable number.

54557480 is an abundant number, since it is smaller than the sum of its proper divisors (68196940).

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

54557480 is a wasteful number, since it uses less digits than its factorization.

54557480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363948 (or 1363944 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 54557480 is about 7386.3035410143. The cubic root of 54557480 is about 379.2725695942.

The spelling of 54557480 in words is "fifty-four million, five hundred fifty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1363937 2727874 5455748 6819685 10911496 13639370 27278740 54557480