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55480408 = 2317340087
BaseRepresentation
bin1101001110100…
…1000001011000
310212101200210221
43103221001120
5103200333113
65301045424
71242401314
oct323510130
9125350727
1055480408
1129354285
12166b6874
13b656a59
147522b44
154d0d98d
hex34e9058

55480408 has 16 divisors (see below), whose sum is σ = 104629680. Its totient is φ = 27579168.

The previous prime is 55480391. The next prime is 55480409. The reversal of 55480408 is 80408455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480409) by changing a digit.

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, 18660 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (6539355).

Almost surely, 255480408 is an apocalyptic number.

It is an amenable number.

55480408 is a deficient number, since it is larger than the sum of its proper divisors (49149272).

55480408 is a wasteful number, since it uses less digits than its factorization.

55480408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40266 (or 40262 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 55480408 is about 7448.5171678664. The cubic root of 55480408 is about 381.3992915993.

The spelling of 55480408 in words is "fifty-five million, four hundred eighty thousand, four hundred eight".

Divisors: 1 2 4 8 173 346 692 1384 40087 80174 160348 320696 6935051 13870102 27740204 55480408